SGK Physics and Chemistry Material 2011
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Transcript of SGK Physics and Chemistry Material 2011
JAI GURU DEV
SGK Study Material +2 Chemistry (6th Edition)
+2 Physics (4th Edition)
2010-2011
To Download the E-Book version of this material, visit: http://www.froomple.com
(No Charges will be taken for downloading. It’s completely free.)
Unit
Weigh-
tage
marks
Part - I
1 marks
MCQ
Part - II
3 marks
VSA
Part - III
5 marks
SA
Part - IV
10 marks
LA
1 25 4 2 1 1
2 20 1 3 2 0
3 20 2 1 1 1
4 25 4 2 1 1
5 25 4 2 1 1
6 25 4 2 1 1
7 15 2 1 2 0
8 25 4 2 1 1
9 30 3 4 1 1
10 20 2 1 1 1
Total 230 30 20 12 8
Maximum no of
problems 5 X 1 = 5 5 X 3 = 15 3 X 5 = 15
2
Numerical problems total marks: 5 + 15+ 15 = 35
Note: Only some important 1, 3, 5 & 10 mark questions
given from all units in this material.
Sl. No UNITS No. of
Qus. 30 Q.No
1 ELECTROSTATICS 4 1, 2, 3, 4
2 CURRENT ELECTRICITY 1 5
3 EFFECTS OF ELECTRICITY
CURRENT 2 6, 7
4 ELECTRO MAGNETIC INDUCTION AND A/C
4 8, 9, 10, 11
5 ELECTRO MAGNETIC WAVES AND
WAVE OPTICS 4 12, 13, 14, 15
6 ATOMIC PHYSICS 4 16, 17, 18, 19
7 DUAL NATURE 2 20, 21
8 NUCLEAR PHYSICS 4 22, 23, 24, 25
9 SEMI CONDUCTOR DEVICES 3 26, 27, 28
10 COMMUNICATION SYSTEMS 2 29, 30
One mark questions
Unit-1. EELLEECCTTRROO SSTTAATTIICCSS
Total no of one mark questions from this chapter- 4
Hint– Normally March question papers 2 question from Text book self
evaluation only.
1.Book Questions: (Refer Page No.40-42)
1. A glass rod rubbed with silk acquires a charge of +8 × 10-12 C. The
number of electrons it has gained or lost 5 x 10 7 lost
2. The electro static force between two point charges kept at
distance d apart, in a medium εr = 6, is 0.3 N. The force between
them at the same separation in vacuum is 1.8 N
3. Electric field intensity is 400 Vm-1 at a distance of 2m from a
point charge. It will be 100 Vm-1 at a distance 4 m (Mar 07)
4. Two point charges +4q and +q are placed 30cm apart. At what
point on the line joining them the electric field is zero?
20 cm from the charge 4q 5. A dipole is placed in a uniform electric field with its axis parallel
to the field. It experiences neither a net force nor a torque
(Mar 06, 07 & 08, Oct 07)
6. A If a point lies at a distance x from the midpoint of the dipole,
the electric potential at this point is proportional to
7. Four charges +q, +q, -q and –q respectively are placed at the
corners A, B, C and D of a square of side a. the electric potential
at the centre O of the square is zero (Oct 06)
3
8. Electric potential energy (U) of two point charges is (Mar 09,
June 10)
9. The work done in moving 500µc charge between two points on
equipotential surface is zero (June 07,10, Mar 08,10)
10. Which of the following quantities is scalar? Electric potential
(June 06 & 08, Mar 09)
11. The unit of permittivity is C2 N -1 m -2 (Oct 06, 08)
12. The number of electric lines of force originating from a charge of
1micro coulomb is 1.129 x 10 11
13. The electric field outside the plates of two oppositely charged
plane sheets of charge density σ is zero (Mar 06, Oct 09)
14. The capacitance of a parallel plate capacitor increase from 5µF to
60µF when a dielectric is filled between the plates. The dielectric
constant of the dielectric is 12 (June 08, Oct 10)
15. A hollow metal ball carrying an electric charge produced no
electric field at inside the sphere points. (June 06, Mar 10)
2. Additional Questions:
Note: Prepare one marks from frictional electricity, coulomb’s law,
electric field, electric lines of force, electric f ield intensity, dipole in
uniform electric f ield, electric potential energy and equipotential surface,
gauss law and its applications, dielectric and polarization effect,
capacitor in series and parallel and Van De Graff generator and Prepare
unit based questions for Electric field intensity, electric f luc,
permittivity, capacitance, electric dipole moment etc.
1. The unit of electric field intensity is NC-1 (or) VM-1
(Oct-06, June-08, Mar 09)
2. The unit of electric flux is Nm2 C-1 (Mar 06, June 09)
3. The relative permittivity of air is 1
4. The particle which cannot be accelerated by van- de- Graaff
generator is electron
5. An electric dipole is kept in a non-uniform electric field it
experiences a force and a torque (Mar 08)
6. The work done in moving 4µc charge from one point to another in
an electric field is 0.012J. The potential difference between them is
3000 V (Mar 06, Oct 09)
7. Torque on a dipole in a uniform electric field is maximum when
angle between P vector and E vector is 90° (June 06,Oct 09)
8. Potential energy of 2 equal negative point charges of magnitude
2µc placed 1 m apart in air is 0.036J (June 06)
9. The value of permittivity of free space is
(Oct 06)
10. The principle used in lightning conductors is corona discharge
(Oct 06)
11. Unit of electric dipole moment is Coulomb / metre (c /m)
(Mar 07)
12. Which is not a dielectric Gold (June 07)
13. The electric potential energy of an electric dipole in an electric
field is –PE cosθ. (Mar 07)
14. The direction of electric field at a point on the equatorial line due
to an electric dipole is Parallel to the axis of the dipole and
opposite to the direction of dipole moment (June 07)
15. When an electric dipole of dipole moment P is aligned parallel to
the electric field E then the potential energy of the dipole is given
as -PE (June 08)
16. A capacitor of capacitance 6µF is connected to a 100 V battery.
The energy stored in the capacitor is 0.03J (Mar 08)
4
17. The equivalent capacitance of 2 capacitors in series is 1.5µƒ. The
capacitance of one of them is 4µƒ. The value of capacitance of the
other is 2.4 µƒ (Oct 07 & 09)
18. The law that governs the force between electric chargers is
Coulomb’s law (Oct 07)
19. Quantization of electric charge is given by q = ne (Oct 08)
20. An example of conductor is human body (Oct 08)
21. The magnitude of the force acting on a charge of 2 x 10-10C placed
in a uniform electric field of 10 Vm-1 is 2x10-9N (Mar 09)
22. The torque (τ) experienced by an electric dipole placed in a
uniform electric field (E) at an angle (Ø) with the field is PE sin Ø
(June 09)
23. The negative gradient of potential is electric field intensity
(June 09, Oct 10)
24. When a point charge of 6μC is moved between 2 points in an
electric field, the work done is 1.8 x 10-5J. the potential difference
between the 2 points is 3V (Oct 09)
25. Van de Graaff generator is used to accelerate both protons and
deuterons.
26. If the total charged bodies of charge +3q and -9q are brought in
contact, the total charge of the system is -6q (Oct 07)
27. The number of electric lines of force originating from a charge of
1micro coulomb is 1.129 x 105 (Oct 07)
28. The capacitance of a parallel plate capacitor increases from 5μF
and 50μF, when the dielectric is filled between the plates, the
dielectric constant of the dielectric is 10. (June 09)
29. 3 Capacitor of capacitance, 1μF, 2μf, 3μF, are connected in
series. The effective capacitance of a capacitor is 6/11μF. (Mar 10)
30. An electric dipole of moment vector p is placed in a uniform
electric field of intensity vector E at an angle θ with respect to the
field. The direction of the torque is Perpendicular to the plane
containing Vector p and E. (Mar 10)
31. Electric field intensity at a distance r due to a infinitely long
straight charged wire is directly proportional to 1/r. (June 10)
32. The ratio of electric potential at point 10cm and 20cm from the
centre of an electric dipole along its axial line is 4:1. (June 10)
33. Capacitance of a capacitor is directly proportional to charge
and inversely proportional to potential (Oct 10)
Unit-2. CURRENT ELECTRICITY
Total of one mark questions from this chapter - 1
Hint – Normally less chance from Text book self evaluation.
1. Book Questions: (Refer Page No.74-75)
1. A charge of 60 C passes through an electric lamp in 2 minutes.
Then the current in the lamp is 0.5 A
2. The material through which electric charge can flow easily is
Copper (Oct 07)
3. The current flowing in a conductor is proportional to drift
velocity
4. A toaster operating at 240V has a resistance of 120Ω. The power
is480 W (June 10)
5. If the length of a copper wire has a certain resistance R, then on
doubling the length is specific resistance will remain the same
(Oct 06, June 08, Oct 09, Mar 10)
6. When two 2Ω resistances are in parallel, the effective is 1Ω (Oct-08)
7. In the case of insulators, as the temperature decreases, resistivity
increases (Mar 08 & 09)
5
8. If the resistance of a coil is 2Ω at 0°C C, then its
resistance at 100°C is 2.8 Ω
9. According to Faraday‘s law of electrolysis, when a current is
passed, the moss of ions deposited at the cathode is independent
of resistance
10. When n resistors of equal resistance (R) are connected in series,
the effective resistance is nR.
2. Additional Questions:
Note: Prepare one mark from Drift velocity, current density, super
conductivity, combination of resistors, temperature dependence of a
resistance, internal resistance of a cell, Wheatstone bridge,
metrebridge, potentiometer, Faraday’s law, electric cell, and
prepare unit based questions for current, mobility, current density,
resistance, conductance, specific resistance, electric energy,
electrochemical equivalence etc..
1. Expression for current density is J = 1/ A
2. The unit of conductance is mho
3. Which of the following is conducting current? Tungsten.
4. Transition temperature of mercury is 4.2 K. (June 09)
5. In carbon resistors, silver rings indicates 10% variation of
resistance
6. Example for secondary cell is Lead – Acid accumulator
7. The unit of conductivity is mho m -1 (June 07)
8. Resistance of metal wire of length 10cm is 2Ω. If the wire is
stretched uniformly to 50cm the resistance is 50 Ω (Mar 06)
9. The colour code on a carbon resister is red – red black. The
resistance of the resistor is 22 Ω (June 06)
10. The brown ring at one end of a carbon resistor indicates a tolerance
of 1% (Mar 07)
11. Drift Velocity in metals is the order of 0.1 cms-1
12. Drift Velocity is directly proportional to electric field
intensity.
13. Unit of current density is Am-2.
14. Unit of resistivity is ohm m.
15. The resistance of mercury at 4.2K is zero
16. The cell which supplies intermittent current is Leclanche cell.
17. The e.m.f of Leclanche cell is 1.5 V
18. The e.m.f of freshly charged lead acid accumulator is 2.2 V
19. The internal resistance of a secondary cell is low.
20. Ohms law is true for Conductors only.
21. The relation between current and drift velocity is I=nAVde (O 10)
22. Unit of mobility is m2V-1s-1
23. Unit of electrochemical equivalent is Kgc-1
Unit-3. EFFECTS OF ELECTRIC CURRENT
Total of one mark questions from this chapter - 2
1. Book Questions: (Refer Page No.117-119)
1. Joule‘s law of heating is H = VIt (Mar 08)
2. Nichrome is used as heat element because it has high specific
resistance. (June 06 & 08)
3. Peltier coefficient at a junction of thermocouple depends on the
temperature of the junction. (June 09, Oct 10)
6
4. In a thermo couple, the temperature of the cold junctions 20°C.
The neutral temperature is 270°C. The temperature of inversion is
520°C. (Mar 10, June 08, Oct 08)
5. What is the equation of Biot-Savart law? .(M10)
6. Magnetic Induction due to an infinitely long straight conductor
placed in a medium of permeability μ is μI/2πa.
7. In a tangent galvanometer, for a constant current, the deflection
is 30°. The plane of the coil is rotated through 90°. Now, for the
same constant current, the deflection will be 0°. (June 07)
8. The period of revolution of a charged particle inside a cyclotron
does not depend on the velocity of the particle.
9. The torque on a rectangular coil placed on a uniform magnetic
field is large when the number of turns is large.
10. Phosphor – bronze wire is used for suspension in a moving coil
galvanometer because it has small couple per unit twist. (Oct 09)
11. Of the following devices, which has small resistance? ammeter of
range (0 – 10)A. (June 06, Mar 09)
12. A galvanometer of resistance G ohm – is shunted with S ohm. The
effective resistance of the combination is Ra then which of the
following statements is true? Ra is less than both G and S.
13. An ideal voltmeter has infinite resistance. (June 10, Oct 07)
2. Additional Questions:
Hint: Prepare one marks from Joule’s law, seebeck effect, peltier effect,
Thermopile, Tangent Galvanometer, Lorentz force, Cyclotron, Torque
experienced by a current loop, Galvanometer, Sensitivity and conversion
of galvanometer and prepare unit based question for (Peltier effect, Pettier
coefficient, Thomson Coefficient, magnetic induction, reduction factor of
T.G.. etc. )
1. A fuse wire – having high resistance, low melting point.
2. Unit of Thomson coefficient volt / °C.
3. To convert a galvanometer in to a voltmeter by connecting a high
resistance in series. (Mar 06)
4. In a TG 6A current produce a deflection of 60°. Find the current
required to produce a deflection of 30° is 2A. (Oct 06)
5. Thermopile works on the principle of See back effect. (Oct 07)
6. The direction of magnetic field due to solenoid is given by Right
hand palm rule.
7. The converse of see back effect is Peltier effect. (Mar 07)
8. Cyclotron cannot accelerate electrons.
9. Melting point of tungsten is 3380°C.
10. Work done by a Lorentz force is always zero.
11. Unit of reduction factor of tangent galvanometer is ampere. (Mar-06) 12. In a Thermo couple, the temperature of cold junction is 20°C; the
inversion temperature is 600°c. then neutral temperature is
310°C. (Oct 06)
13. The torque experienced by a rectangular current loop placed
perpendicular to a uniform magnetic field is zero. (Mar 07)
14. Sb - Bi pairs of metals thermo couple the e.m.f is maximum. (June
-07)
15. Fuse wire is an alloy of lead and tin. (Mar 08)
16. Thermo pile is used to detect thermal radiation (Oct 08)
7
17. The resistance of the filament of a 110W, 220V electric bulb is
440 ohm (Mar 09)
18. The magnitude and direction of the magnetic Lorentz force is
given by (June 09)
19. Unit of Peltier coefficient is volt (Oct 09)
20. In a TG a current 1A produces a deflection of 30˚ the current
required to produce a deflection of 60˚ is 3A. (Oct 06)
21. The unit of magnetic induction is Tesla and Wb/m2
22. Positive Thomson effect is observed in Ag, Sn, Cu, Zn, Cd, Sb,
and Au.
23. Thomson effect for lead is zero
24. Gyro magnetic ratio of an electron is 8.8 x 1010 C Kg-1.
25. For a given thermocouple, the neutral temperature is a constant
(June 10)
26. When the number of turns (n) in a galvanometer is doubled,
current sensitivity increases twice (Oct 10)
27. Cyclotron is used to accelerate protons, deuterons and α-
particles. 28. Negative Thompson effect is observed in Fe, Bi, Ni, Pt, Co, Hg.
29. Tangent Galvanometer works on the principle of Tangent law.
30. Tangent Galvanometer and Moving Coil Galvanometer is a device
for measuring current.
Unit- 4. ELECTRO MAGNETIC INDUCTION AND AC
Total of one mark questions from this chapter – 4.
Hint: Normally in march question papers, 2 questions are asked from
self evaluation.
1. Book Questions: (Refer Page No.156-157)
1. Electromagnetic induction is not used in room heater
(Mar 06 & 08, June 07, 08 & 09,)
2. A coil of area of cross section 0.5m2 with 10 turns is in a plane
which is perpendicular to as uniform Magnetic field of 0.2
Wb/m2. The flux through the coil is 1Wb (June 09, Mar 10)
3. Lenz‘s law is in accordance with the law of conservation of
energy (Mar 07 & 08)
4. The self induction of a straight conductor is zero (June 10, Mar 07
& 09)
5. The unit Henry can also be written as VSA-1, WbA-1, Ωs (June 06
6. An e.m.f of 12V is induced when the current in the coil changes
at the rate of 40A s1 the coefficient of the coil is 0.3H (Oct 09,10)
7. A DC of 5A produces the same heating effect as an AC of 5A rms
current (Oct 08, Mar 09)
8. Transformer works on AC only (June 10, Mar 07, Oct 07)
9. The part of the AC generator that passes the current from the coil
to the external circuit is Brushes.
10. In an AC circuit, the current I = Isin lags behind the
e.m.f e = E sin by π. (Oct 06)
11. Which is the following cannot be stepped up in a transformer?
Input power (June 08, Oct 09)
8
12. The power loss is less in transmission lines when voltage is
more but current are less (Oct 06)
13. Which of the following devices does not allow D.C to pass through
capacitor (Jun 09, Mar10, Oct 10)
14. In an A.C circuit the average value of current is zero.
(Mar 09)
2. Additional Questions: Hint – Prepare one marks from Electromagnetic induction, magnetic
flux, Lenz’s law, generator rule, self inductance, mutual induction,
method of producing induced e.m.f, A.C Generator (Single & Three
Phase), Eddy currents, Transformers, r.m.s value of A.C, L.C.R in
series, Power in a A.C Circuit, Choke Coil. Prepare unit based
questions for Henry, Inductive reactance, Self inductance, Coefficient
of mutual inductance, inductive reactance, capacitive reactance,
Magnetic f lux, Inductance. Etc.
1. For a D.C circuit the value of capacitive reactance (XC) is Infinity
(June 08)
2. In a transformer eddy current loss is minimised by using
laminated core made of Stelloy. (Mar 08)
3. The reactance offered by 300 mH inductor to an AC supply of
frequency 50Hz is 94.2 Ω (Oct 07)
4. The rms value of an A.C voltage with a peak value of 311V is
220v. (Oct 07)
5. The core used in audio frequency chokes is iron. (Oct 07 & 09)
6. Q factor on A.C circuit contains a resistance R. inductance L and
capacitor C is (June 08, Mar 09)
7. In a 3 phase AC generator the 3 coils are fastened rigidly together
and are displaced from each other by an angle 120°
(Oct 08)
8. Generator rule is Fleming is right hand rule. (June 07,Oct 06)
9. Unit of inductive reactance is ohm
10. Reverse effect of Oersted experiment was demonstrated by
Faraday.
11. Induction motors are used in Fans.
12. Choke coils are commonly seen in fluorescent tubes.
13. The angle between the area vector A and plane of area A is . (Mar 06,
June 09)
14. If flux associated with a coil varies at the rate of 1 wb/min then
the induced e.m.f is . (Mar 06)
15. In an A.C circuit with an inductor current lags voltage by
(June 06)
16. In LCR circuit when XL = XC, the current is in phase with the
voltage (Mar 07)
17. In step up transformer the input voltage is 220V and output
voltage is 11KV. The ratio of number of turn‘s primary to
secondary is 1:50. (Oct 06)
18. In LCR series circuit at resonance Impedance is equal to R.
(Oct 09)
9
19. The average power consumed over one cycle in an A.C circuit is
E rms I rms cos (Mar 06)
20. In LCR circuit, phase difference between current and voltage is
30˚. The reactance of the circuit is 17.32 Ω. The value of
resistance is 30 Ω (June 06)
21. In a A.C circuit with capacitor only if the frequency of the signal
is zero, then the capacitive reactance is infinity. (June 07)
22. A power of 11,000 W is transmitted at 220 V. the current through
line wire is 50 A (Mar 08)
23. The average value of A.C current over one complete cycle is zero.
24. The rms value of an A.C is 70.7% of the peak value. (Mar 10)
25. The resistance offered by a pure inductor to D.C is zero
26. The resistance offered by a capacitor to D.C is infinite.
27. The value of Q-factor for normal frequency is 10 -100.
28. The domestic power in India is supplied at 50Hz.
29. An emf of 12V is introduced when the current in the coil changes
from 2A to 6A in 0.5s. The coefficient of self inductance of a coil is
1.5H. (June 06)
30. In step up transformer the input voltage is 220V and output
voltage is 11KV. The ratio of number of turn‘s secondary to
primary is 50:1. (June 07)
31. In R.L.C Circuit, at resonance current is in phase with voltage.
(Oct 08)
32. In an A.C. circuit, average power consumed is 200W and the
apparent power is 300W. The power factor is 0.66. (June 10)
33. In an R.L.C circuit, at resonance XL = XC. (Oct 10)
34. The effective value of alternating current is Io/√2 (June 10)
35. Electromagnetic induction is not used in Filament Bulb and
Room Heater. (Oct 08)
Unit-5. ELECTROMAGNETIC WAVES & WAVE OPTICS
Total of one mark questions from this chapter - 4
Hint – Normally March question papers 2 question from Text book self
evaluation.
1. Book Questions: (Refer Page No.206-208)
1. In an electromagnetic wave power is transmitted in direction
perpendicular to both fields (June 09)
2. Electromagnetic waves are transverse. (Oct 09, 10) 3. Refractive index of glass is 1.5 Time taken for light to pass
through a glass plate of thickness 10cm is 5 X 10-10sec
4. In an Electromagnetic wave the phase difference between electric field E
and magnetic field B is zero (June 06,10 & 08, Oct 08, Mar 09) 5. Atomic spectrum should be pure line spectrum (Mar07)
6. When a drop of water is introduced between the glass plate and
plane convex lens in Newton‘s ring system, the ring system
contracts. (Mar 06,08, June 10,07)
7. A beam of mono chromatic light enters from vacuum into a
medium of refractive index µ. The ratio of the wavelengths of the
incident and refracted waves is µ : 1
8. If the wavelength of the light is reduced to on fourth, then the
amount of scattering is increase by 256 times (June 09, Mar10)
10
9. In Newton‘s ring experiment the radii of mth and (m+4)th dark rings are
respectively 5mm and 7mm. what is the value of m? 10 (Oct 09)
10. The path difference between two monochromatic light waves of
wavelength 4000A° is 2x10-7m. The phase difference between
them is π.
11. In young‘s double slit experiment the third bright band for
wavelength of light 6000A° coincides with the fourth bright band
for another source in the same arrangement. The wavelength of
the source is 4500A°. (Oct 10)
12. A light of wavelength 6000A° is incident normally on a grating
0.005m wide with 2500 lines. Then the maximum order is 3. (Mar 08)
13. A diffraction pattern is obtained using a beam of red light. What
happens if the red light is replaced by blue light? diffraction
pattern become narrower and crowded together (June-07 &08)
14. The refractive index of the medium for the polarising angle 60° is
1.732 or 5 (Mar 10, Oct 08)
2. Additional Questions:
Hint: Prepare one marks from Electromagnetic waves,
electromagnetic spectrum and its uses, types of spectra, theories of
light, scattering of light, Raman effect, Huygen’s principle, total
internal reflection, phase difference and path difference, Young’s
double slit, Newton’s ring, Diffraction grating, Polarization, Double
refraction, optical activity. Prepare unit based questions for
Grating element, Specific rotation, Refractive index... Etc.
1. In Raman effect if the scattered photon gains energy. It gives rise
to anti stokes line. (Oct 07)
2. In case of Fraunhofer diffraction, the wave front undergoing
diffraction is plane wave front. (Oct 08)
3. The phenomenon of light used in the formation of Newton‘s rings
is interference. (Oct 07)
4. An example for uniaxial crystal is tourmaline (or) Quartz. (Mar 07 , Oct 07)
5. In Raman Effect, the spectral line with lower frequency than the
incident frequency is stokes line. (Oct 07)
6. The optical rotation does not depend on intensity of light-used
(Oct 07)
7. The transverse nature of light waves is demonstrated only by the
phenomenon of polarization. (June 10, Mar 08)
8. Velocity of light in a medium is 2.25 x108 Ms-1 the refractive index
of the medium will be 1.33. (June 08)
9. The polarizing angle for water is 53° 4‘. If the light is incident at
this angle on the surface of water the angle of refraction is water
is 36° 56’. (June 08)
10. Spectral lines emitted by sun line absorption spectra.
11. The rays used to study the molecular structure are IR rays.
12. Wavelengths of sodium D1, D2 lines of lines 5896°A, 5890°A. (Mar 06)
13. Raman Effect supports quantum theory.
14. Electromagnetic waves used to study structure of nucleus
gamma rays.
15. Radiations used in detection of forged documents are uv rays.
16. Double refraction was discovered by Bartholinus.
17. New types of Polaroid are prepared in which thin films of
polyvinyl alcohol are used.
18. IR lamps used in physiotherapy. (Mar 07)
19. Spectrum used for making dye is band absorption.
20. Unit grating element is metre. (June 06)
11
21. The existence of electromagnetic waves was confirmed
experimentally by Hertz (Mar 06)
22. When a ray of light is incident on a glass surface at polarizing
angle of 57° 5‘. The angle between the incident ray and the
reflected ray is 115°. (June 06, Mar 06 & 08)
23. Electric filament lamp gives rise to continuous spectrum.
(June 07 Mar 08)
24. A ray of light is incident on a glass surface such that the reflected
ray is completely plane polarised. The angle between the reflected
ray and refracted ray is 90˚ (Mar 09)
25. Soap bubbles exhibit brilliant colour in sunlight due to
interference of light (Mar 09)
26. The radii of Newton‘s dark rings are in the ratio √1 : √2 : √3. (Mar
09)
27. In the grating formula sin Ø = Nmλ, the unit of N is metre -1
(June 09,10 )
28. The ratio of the radii of the 4th and 9th dark rings in Newton‘s ring
experiment is 2:3 (June 09)
29. Calcium chloride is not an optically active material (Oct 09)
30. Unpolarised light passes through a tourmaline crystal. The
emergent light is analyzed by an analyzer when the analyzer is
rotated through 90˚the intensity of light varies between
maximum and zero. (Mar 06)
31. Velocity of the electromagnetic waves is given by c = . (June 06)
32. In Young‘s double slit experiment, the separation between the
slits is halved and the distance between the slits and the screen is
doubled. Then the fringe width is quadrapled. (June 07)
33. Nicol prism is based on the principle of double refraction.
34. If C is the velocity of light in vacuum, the velocity of light in a
medium with refraction index μ is . (Oct 06)
35. Gamma rays are not an electromagnetic wave. (Oct 06)
36. In radar Micro wave is used.
37. X-rays are used as diagnostic tool in medicine.
38. Continuous spectrum depends only on temperature of the
source.
39. Molecule produce Band spectrum and atoms produces line
spectrum.
40. The central core of the sun is called photo sphere.
41. In Fraunhofer diffraction the wave front undergoing diffraction is
plane. (Oct 08)
42. Polarising angle for glass is 57.5˚
43. The refractive index of extraordinary light is 1.486.
44. In Raman Effect, the incident photon makes collision with an
excited molecule of the substance. The scattered photons give rise
to Anti Stoke’s Lines. (Mar 10)
45. Refractive index of glass is 1.5. The velocity of light in glass is 2 x
108 m/s. (Mar 10)
46. The dark lines found in the solar spectrum are called Fraunhofer
lines. (Oct 10)
47. A ray of light travelling in a rarer medium and reflected at the
surface of a denser medium automatically undergoes a path
difference of λ/2. (Oct 10).
12
Unit-6. ATOMIC PHYSICS
Total of one mark questions from this chapter - 4
Hint – Normally March question papers 1 question from Text book self
evaluation.
1. Book Questions: (Refer Page No.46-48) Vol.II
1. The cathode rays are a stream of electrons.
2. A narrow electron beam passes undeviated through an electric
field E = 3x10 V/m and an overlapping magnetic field B = 2x10-3
Wb/m2. The electron motion, electric field and magnetic field are
mutually perpendicular. The speed of the electron is 1.5 x 10 -7
ms -1.
3. According to Bohr‘s postulates, which of the following quantities
take discrete values? angular momentum (Mar 07, June 07,
Oct 07, 08 & 09) 4. The ratio of the radii of the first three Bohr orbit is 1:4:9.(Mar 10,
08, June 07)
5. The first excitation potential energy or the minimum energy required
to excite the atom from ground state of hydrogen atom is 10.2eV.
(Oct 10, Mar 08)
6. According to Rutherford atom model, he spectral lines emitted by
an atom is Continuous spectrum
7. Refer Textbook Page No.47 in Vol.II.
8. The elliptical orbits of electron in the atom were proposed by
Sommerfeld. (Oct 10)
9. X-ray is phenomenon of conversion of kinetic energy into
radiation (Mar 07,10, June 09)
10. In an X-ray tube, the intensity of the emitted X-ray beam is
increased by Increasing the filament current (June 06)
11. The energy of photon of characteristic X-ray from a Coolidge tube
comes from an atomic transition in the target. (June 08)
12. A Coolidge tube operates at 24800V. The maximum frequency
radiation emitted from Coolidge tube is 6x10 18 HZ (Oct 10)
13. In hydrogen atom, which of the following transitions produces
spectral line of maximum wavelength 6→5 (Oct 06 & 09, Mar 08)
14. In hydrogen atom, which of the following transitions produces
spectral line of maximum frequency 2 →1 (June 06)
15. After pumping process in laser the number of atoms in the excited
state is greater than the no of atoms in the ground state.
16. The chromium ions doped in the ruby rod absorbs green lights.
(Mar 06, 09, 10, Oct 08, June 06, 08, 10)
–
Hint: Prepare one marks from cathode rays, Canal rays, Thomson
and Milliken’s Experiment, Bohr’s Atom Model, Spectral series of
Hydrogen Atom, Somerfield atom model, X-Rays – production,
Diffraction of X-Rays, X-Ray spectra, Ruby laser, He-Ne laser,
Application of laser and maser. Prepare unit based questions for
(Rydberg’s constant, wave numbers etc.)
1. Number waves per unit length is known as wave number (Oct 08)
2. Three dimensional image of an object can form by holography.
(Oct 08)
3. Unit of Rydberg‘s constant is m-1 (Value 1.094x10-7 m-1) (O 07,J 09)
13
4. For the 1storder x ray diffraction, the wave length of x ray is equal
to lattice spacing at glancing angle of 30° (Oct 07)
5. A Coolidge tube operates at 18600.V the maximum frequency of x
radiation emitted from it is 4.5 x 1018 Hz (Oct 07)]
6. Maser materials are paramagnetic ion and ammonia gas. (J 08)
7. Pressure inside the Coolidge tube is 10-6mm mercuric pressure.
8. Wave length of laser beam emitted from ruby laser is 6943A°.
9. Fine holes are drilled in diamonds using laser beam.
10. Wave number is defined as the number of waves in a distance
one metre. (Mar 06, Oct 08)
11. The energy electron in the first orbit of hydrogen atom is -13.6 eV.
Its potential energy is -27.2 eV. (Jun 06)
12. Somerfield model for a given value of n the number of values can
take is n. (Oct 06)
13. Ratio of areas enclosed by 1st 3 Bohr orbits of H atom is 1:16:81.
(Oct 06)
14. Crystal diffracts monochromatic x-rays, angle of diffraction for 2nd
order is 90°,1st order 30° (Mar 07)
15. If R is Rydberg‘s constant, the minimum wavelength of hydrogen
spectrum is . (June 07)
16. The spectral series of hydrogen atom in UV-region are called
Lyman series. (June 08)
17. If the minimum wavelength of X-rays produced in a Coolidge tube
is 0.62 . the operating potential is 20Kv. (Mar 06,08)
18. In a discharge tube, the source of positive rays (canal rays) is gas
atoms present in the discharge tube. (Mar 09)
19. The minimum wavelength of X-rays tube at 1000 Kv is 0.0124Ǻ
(Mar 09)
20. Ionization potential energy of hydrogen atom is 13.6 eV (Mar 09)
21. When an electric field is applied to an atom each of the spectral
lines split into several lines. This effect is known as stark effect
(June 09)
22. In holography, which of the following is recorded on the
photography film phase and amplitude (Oct 06 & 09, June 07)
23. The direction of viscous force in Millikan‘s oil drop experiment
is opposite to the direction of motion of the oil drop(Mar 09)
24. Canal rays were discovered by Goldstein.
25. The value of e/m is 1.7592 x 1011C Kg-1
26. 1eV = 1.602 x 10-19 J.
27. The device used to determine the wavelength of X-rays is
Bragg’s X-ray spectrometer.
28. Roentgen discovered X-rays
29. The ratio of Ne and He gases used in He-Ne laser is 4:1.
30. Wavelength of D1 and D2 lines emitted by Sodium Vapour
lamp is 589.6 nm, 580nm (Mar 06)
31. In Somerfield atom model, for principle quantum number, n=3,
the subshell represents circular orbit is 3d.(Mar 10)
32. A Coolidge tube operates at 24800V, the maximum wavelength
of X-Ray radiation emitted from the Coolidge tube is 0.5 x 10-
10m (June 09)
33. If ―c‖ is the velocity, γ is the frequency and λ is the wavelength
of radiation, then its frequency is defined as the number of
waves produced in a period of T second. (Oct 10)
14
34. e/m ratio of Cathode ray particles is independent of nature of
electrodes and gas used. (June 10)
35. If R is Rydberg‘s constant, the shortest wavelength of paschen
series is 1/R.(June 10)
36. In Milliken‘s experiment, the plates are kept at a distance of
16mm and are maintained at a potential difference of 10000V.
The electric field is 6.25 x 105 V/m. (June 10)
37. Principle of Maser action is population inversion followed by
stimulated emission.
38. Unit of wave number is metre-1.
UNIT-7. DUAL NATURE OF RADIATION, MATTER AND
RELATIVITY
Total of one mark questions from this chapter -2
Hint- Normally, in March question papers, 1 question from Text book
self evaluation.
1. Book Questions: (Refer Page No.72, 73) Vol.II
1. A photon of frequency v is incident on a metal surface of threshold frequency vo.
The kinetic energy of the emitted photo electron is h(v-vo) (Oct 07,08)
2. The work function of a photo electric material is 3.3 eV. The threshold frequency
will be equal to 8 x 1014 Hz
(Mar 08)
3. The stopping potential of a metal surface is independent of intensity of incident
radiation.
4. At the threshold frequency, the velocity of electron is Zero. (Oct 06,07,08,09, M 06,09)
5. The photo electric effect can be explained on the basis of Quantum theory of light
(Mar 10,June10)
6. The wavelength of the matter wave is independent of Charge (June 08, Oct 09)
7. If the kinetic energy of the moving particle is E, then the De Broglie wavelength is
λ=h/√2mE
8. The moment of electron having wavelength 2Ao is 3.3 x 10 -24 Kgms-1 (June 07)
9. According to relativity, the length of a rod in motion is less than its rest length.
(June 06,07,09,10)
10. If 1 Kg of substance id fully converted into energy , then the energy produced is 9 x
1016 J(Oct 10)
Prepare one marks from photoelectric effect, stopping potential, threshold frequency, laws
of photoelectric emission, Einstein’s photoelectric equation, photoelectric cells and
applications, matter waves, electron microscope, relativity, special theory of relativity,
Einstein’s mass- energy equivalence.
1. The work function of a metal is 6.626 x 10-19 J. Threshold
frequency is 1 x 1015 Hz (Mar 07)
2. If the radius of third Bohr orbit in hydrogen atom is r, then the
de Broglie wavelength of electron in this orbit is (Mar 06)
3. An electron of mass m and charge ‗e‘ accelerated from rest
through a potential of V volt, then its final velocity is √ 2Ve/m
(Oct 08)
4. When a material particle of rest mass ‗mo‘ attains the velocity of
light its mass become infinity (Oct 07)
5. Photo electric emission is an instantaneous process.
6. Concept of matter waves was proposed by de Broglie.
7. Particle that has energy with zero rest mass is photon. (Mar08)
15
8. An un-accelerated frame of reference is called inertial frame.
9. According to Special theory of relativity the only constant in all
frames is Velocity of light. (Oct 06, Mar 07,09)
10. Electron microscope is operated in high vacuum.
11. The value of stopping potential when the frequency of light is
equal to the threshold frequency is Zero. (Mar 06)
12. Two photons, each of energy 2.5 eV are simultaneously incident
on metal surface. Work function of metal is 4.5 eV. Then from
the surface of the metal not a single electron will be emitted.
(June 06)
13. Photon has energy but zero mass. (June 08)
14. Photoelectric effect was first observed by Heinrich Hertz.
15. Einstein’s photoelectric equation is W+ hv= ½ mv2max (June 09)
16. The wave particle duality was extended to particles as matter waves by De
Broglie.
17. The highest magnification of the best optical microscope is 2000.
18. Minimum amount of energy required to liberate on electron from the metal
is called photoelectric work function.
19. De Broglie’s concept confirms Bohr’s postulates.
20. X-rays cannot be focused by lenses.
21. The rest mass of photon is Zero.
22. An energetic photon can create an electron- positron pair.
23. Magnetic lenses can focus a beam of electrons.
24. The mass of an electron accelerated by a cyclotron is Increases at high
velocity.
25. Electron microscope works on the principle of wave nature of moving
electron. (Mar 10)
26. The de Broglie wavelength of electron accelerated with a potential V is
λ=h/√2Vem(Oct 10)
27. Stopping potential is same for different intensities.
28. The cut off potential is dependent on the frequency of the incident
radiation.
29. Photoelectric effect is based on Conservation of energy.
30. Application of photoelectric cells is used in temperature sensor,
cinematography, measure light intensity.
31. The material having low function is Caesium oxide.
32. Photoelectric cell is used in opening and closing of door automatically.
33. The operating potential in an electron microscope is about 60,000 V.
34. The mass of body in motion Increases.
Total of one mark questions from this chapter - 4
Hint- Normally March question papers 2 question from text book self evaluation.
1. Book Questions: (Refer Vol.II Page No. 116-118)
1. The nuclear radius of 4Be8 nucleus is 2.6 x 10-15 m
2. The nuclei 13Al27 and 14Si28 are example of isotones. (Mar 07,10,June 07,09)
3. The mass defect of certain nucleus is found to be 0.03 amu. Its binding
energy is 27.93 MeV.
4. Nuclear fission can be explained by Liquid drop model.
5. The nucleons in a nucleus are attracted by nuclear force.
6. The ionization power is maximum for α-particles.
7. The half life period of a certain radio active element with disintegration
constant 0.0693 per day is 10 days.
(Oct 08,07)
8. The radio isotope used in agriculture is 15P32. (June 06,08,Oct 08,09)
9. The average energy released per fission is 200 MeV.
16
10. Explosion of atom bomb is based on the principle of uncontrolled fission
reaction. (June 09,10,Mar 10)
11. Anaemia can be diagnosed by 26Fe59. (Mar 07,10,June 07,09)
12. In the nuclear reaction 80Hg198 + X→79Au198 + 1H1, X stands for Neutron
(June 08, Mar 09)
13. In β-decay neutron number decreases by one. (Mar 09,Oct 09)
14. Isotopes have same proton number but different neutron number.
15. The time taken by a radioactive element to reduce to 1 times its original
amount is its mean life. (Mar 06)
16. The half life period of N13is 10.1 minute. Its life time is infinity.
17. Positive rays of the same element produce two different traces in a
Bainbridge mass spectrometer. The positive ions have different mass
with same velocity.
18. The binding energy of 26Fe56 nucleus is 493 MeV. (June 10, Oct 07)
19. The ratio of nuclear density to the density of mercury is about 1.3 x 1013
Prepare one marks from classification of nuclei, properties of nucleus, Brainbridge
mass spectrometer, nuclear force, radioactivity, radioactive displacement law and
disintegration, neutron, artificial radioactivity, G.M. counter, nuclear fission,
nuclear reactor, nuclear fusion, cosmic rays, elementary particle and prepare unit
based questions for activity, radiation exposure, electron volt, etc.
1. Safety amount of radiation exposure on human body is 250 milliroentgen
per week.
2. Fast breeder reactors, the neutrons reflectors used are Th232
3. Energy radiated from surface of the sun is 3.8 x 1026 J/S
4. Energy of fast neutrons is between 0.5 MeV to 10 MeV
5. Rays having high penetrating power is gamma rays. (Oct 06)
6. Boiling point of liquid sodium used is 1000oC
7. Only operating reactor in the world using 92U233 as fuel is Kamini. (Oct
07,09)
8. In nuclear reactor, moderator is Heavy water. (Mar 07)
9. Which of the following particle is a leptons electron. (Mar 06)
10. Nuclear force is due to the continuous exchange of particles called mesons
(Mar 06,09, Oct 09)
11. The particles which exchange between the nucleons and responsible for the
origin of the nuclear force are mesons
(June 07)
12. In the nuclear reaction 7N14 + 0n1 → X + 1H1 the element x is 6C14 (Mar
06)
13. One amu is equal to 1.66 x 10-27 Kg (or) 1.66 x 10-24 g (or) 931 MeV.
(June 06,09,Oct 06)
14. In the following nuclear reaction 13Al27 +2He4 → X + on1. The element X is
15P30 (Oct 06)
15. The numbers α and β particles emitted when isotope 92U238 undergoes α
and β decays to form 82Pb206 are respectively 8,6
(Mar 07)
16. Liquid sodium is not a moderator. (June 07)
17. 11Na24 is used to defect the presence of block in blood vessels. (Mar 08)
18. If the nuclear radius is 2.6 x 10-15 m then mass number will be 8 (June 08)
19. Slow neutrons are neutrons having energies between 0 eV to 1000 eV .
(June 08)
20. The half life of a radioactive element is 300 days. The disintegration
constant of the radioactive element is 0.00231/day.
(Mar 09)
21. The mean life of Radon is 5.5 days. Its half life is 3.8 days (June 09)
17
22. The rest mass of a proton is about 1836 times the mass of an electron.
23. The phenomenon of radioactivity was discovered by Henry Becquerel.
24. The reciprocal of decay constant is 1.44 times its half life period.
25. To determine the age of a wooden sample C14 is used.
26. The unit of radiation exposure is Roentgen.
27. Half life period of C14 is 5570 years.
28. The energy produced in proton-proton cycle is 26.7 MeV.
29. The name of cosmic ray was given by Millikan.
30. Neutrino and antineutrino are associated with β-emission.
31. The name of meson was given by Yukawa.
32. An element zXA undergoes three α-decays and four β-decays and gets
converted to an element Y. The mass number and atomic number of the
element Y are respectively A-12,Z-2 (June 07, Mar 08)
33. The mean life and half life T1/2 of a radioactive element are related as τ=
T1/2/0.6931 (Mar 08)
34. The time taken by a radioactive element , its reduce to e -1/2 times its
original amount is its mean life period
(June 06)
35. Find the emitted particle in the nuclear reactions 4Be9 + 2He4 → 6C12 + X. X
stands for neutrons.
(Mar 10)
36. In the fast breeder reactor the chain reactor is sustained by Fast neutrons.
37. The particle which has zero mass but has energy is Photon (Mar 08)
38. Particle that has no charge and no mass and travels with the velocity of light
is Photons (Oct 08)
39. Which of the following particle belongs to Baryon group Proton (Mar 10)
40. Based on quark model a neutron is represented as udd (June 06, Oct 06)
41. Ionization power is maximum for α- particles (June 10, Oct 10)
42. According to the law of disintegration N=No e-λt the number of radioactive
atoms that have been decayed during a time of t is No-N (June
10)
43. Isotopes have same proton number but different neutron number. (Oct
10)
44. The coolant used in fast breeder reactor is liquid sodium (Oct 10)
45. The half life period of N13 is 10.1 minute. Its life time is Infinity.
(Oct 10)
46. 1 Fermi is 10-15 m.
47. 1 eV is 1.6 x 10 -19 Joule.
48. Unit of activity is becquerel.
49. 1 curie is the activity of one gram of Radium.
50. Chadwick discovered neutrons.
51. A particle accelerator accelerates charged particles.
52. Geiger- Muller counter is a particle detector.
Total number of one mark questions from this chapter is - 3
Hint – Normally March question paper chance 1 question from Text
book self evaluation.
1. Book Questions: (Refer Page No. 175-177 in Vol.II)
1. The electrons in the atom of an element which determine its
chemical and electrical properties are called Valence electrons
2. In a N-type semiconductor there are immobile positive ions
18
3. The reverse saturation current in a PN junction diode is only
due to minority carriers (June 09)
4. In the forward bias characteristic curve, a diode appears as an
ON switch
5. A avalanche break down is primarily dependent on the
phenomenon of Collision (Oct 2007)
6. Colour of light emitted by a LED depends on types of
Semiconductor material (June 06,10 & Oct 08,10)
7. The Emitter base junction of a given transistor is forward
biased and its collector base junction is reverse biased. If the
base current is increased then its IC will increase.
8. Improper biasing of a transistor circuit products distortion in
the output signal.
9. An oscillator is an amplifier with feed back (Mar 08 &
June 09,10, Oct 10)
10. Colpitts oscillator circuit Capacitive feedback is used
(June 06)
11. Since the input impedance of an ideal operational amplifier
is infinite its input current is zero.
12. The following arrangement performs the logic function of
AND gate (Book back refer text book Vol.II, P.No 176) (Oct 06&08,
June 08, Mar 10)
13. If the output Y of the following circuit is 1 the input ABC
must be 101 (Refer text book Vol.II, P.No 176) (June 09)
14. According the laws of Boolean algebra, the expression
(A+AB) is equal to A. (Mar 07, Mar 09)
15. The Boolean expression can be simplified as -
(Jun 10, Mar 06) -
Hint: Prepare one marks from Insulators, Semi-conductors,
Conductors, PN Junction diode, L.E.D, Junction transistor,
Transistor amplifier, Feedback in amplifier, Logic Gates, De-
Morgan’s theorem, OP-AMP circuit, Electronic measuring instrument.
Also refer example problems in Page No. 173 – 175 (9.3, 9.4,
9.5(June 08), 9.6) and Book back problems in Page no. 178-179.
(9.51, 9.52, 9.55, 9.56)
1. In CE amplifiers, the phase reversal between input and output
voltages is 180° (June 2008)
2. In junction the emitter region is heavily doped since emitter has
to supply to the base majority carriers. (Oct 2007)
3. A logic gate which has on output ‗I‘ when the inputs are
complement to each other is EXOR. (Oct 2007)
4. The potential barrier of germanium PN junction is 0.3V. (June 06)
5. Condition for an amplifier to become an oscillator is A=1/β (M 06)
6. Thickness of the base in transistor is 25 microns.
7. Output impedance of CE mode transistor is low.
8. Zener diode working in the breakdown region can act as voltage
regulators.
9. OP – Amp consists of 20 transistor 11 resistors, 1 capacitor
10. Boolean expression for NAND gate is Y = (Oct 09 & June 06)
11. In CE configuration output terminal is Collector
12. In tank circuit the energy in the inductance coil is stored as
magnetic energy and it produces wave forms
19
13. CRO works on the principle that the beam of electron can be
deflected both in electric and magnetic field
14. Forbidden energy gap for germanium is of order 0.7eV (Mar 06 &
Oct 06)
15. Forbidden energy gap for silicon is of order 1.1eV (Oct 06,10, Jun
06 & Mar 08, 09)
16. Barkhausen condition for maintenance of oscillation is β=
(Mar 07 & Oct 09)
17. A logic gate for which there is ‗low‘ output only when both the
inputs are ‗high‘ is NAND. (June 2007)
18. In CE single stage amplifier, the voltage gain at mid-frequency is
10. The voltage gain at upper cut-off frequency is 7.07 (Oct06&09)
19. An example for non-sinusoidal oscillator is multi vibrator (Mar 09)
20. LED is a forward biased PN junction diode which emits visible
light when energized.
21. The commonly used transistor is CE Circuits.
22. The forbidden energy gap for conductor is zero. (Mar 10)
23. Bi and As are examples for donor atom. (Mar 08)
24. In CE Transistor circuit, the base current of the transistor is
50micro Ampere. And the collector current is 25 micro Ampere.
Then the current gain is 500.(Oct 08)
25. In the PIN configuration IC 741, PIN 3 represents Non Inverting
Input.
26. Potential Barrier for a silicon PN junction is 0.7V.
27. PN Junction diode does not obey Ohms law.
28. The unit of output Impedance is Ω.
Total number of one mark questions from this chapter is - 2
Hint – Normally March question paper chance 1 question from self
evaluation so see all 8 questions given in text book page-215,216(vol-2)
1. High frequency waved follows ionospheric propagation (March
2006, June 2006)
2. Main propose of modulation is to transmit low frequency
information over long distance efficiently
3. The amplitude modulation the amplitude of the carrier wave
varies in accordance with the amplitude of the modulating signal
4. In amplitude modulation, the bandwidth is twice the signal
frequency (June 2007)
5. In phase modulation both the phase and the frequency of the
carrier wave varies.
6. R/F channel in a radio transmitter produces high frequency
carrier waves (Mar 2007, 10 & Mar 2009)
7. Purpose of dividing each frame into 2 fields so as to transmit 50
views of picture per second is to avoid flicker in the picture
(June 2008)
8. Printed documents to be transmitted by fax are converted into
electrical signals by the process of Scanning
(Mar, June & Oct 08 & june-2009)
–
Hint: Prepare one mark from Propagation of Electromagnetic waves,
AM modulation, FM Modulation, Radio transmission and reception,
20
Television, Monochrome Picture tube, Modem, Fax, Wire and Cable,
Fibre Optic & Satellite communication.
1. Skip distance is the shortest distance between a point of
transmission and the point of reception. (Oct 2008)
2. Audio frequency range is 20 Hz to 20000 Hz (Mar 2008)
3. The first man made satellite Sputnik (Oct-07)
4. An analog signal is a continuous varying voltage (or) current.
5. Twisted pair cable the wire is twisted to minimize external noise
6. Modem device convert digital signals into analog signal (M7, O9)
7. Scanning high negative potential is used as Blanking pulse
8. Cu is an inexpensive metal easily made into wire.
9. Working principle of Radar is radio echoes
10. In TV, blanking pulse is applied to control grid (Mar 06, Oct 09)
11. In AM super heterodyne, the local oscillator frequency is 1.245
MHZ. the turned station frequency is 790 KHz (June 2006)
12. Radio waves after refraction from different parts of ionospheres on
reaching the earth are called as sky waves. (Oct 2006)
13. Principle used for transmission of light signals through optical
fiber is total internal reflection (Oct 2006)
14. In interlaced scanning time taken to scan one line is 64 µs (June 07)
15. In Vidicon camera tube, the front face of the target plate or image
plate facing the light is coated in tin oxide
16. Function of modem is modulation and demodulation
17. In FM super heterodyne receiver, the intermediate frequency is
10.7 MHz. (Oct 10)
18. In radar to locate the direction of the target directional antennas
are used.
19. In India the frame repetition rate is at 25 frames per second.
20. Voice signal is an analog signal.
21. The long distance radio communication is possible through sky
waves propagation.
Sl. No UNITS No. of
Qus. 20 Q.No
1 ELECTROSTATICS 2 31, 32
2 CURRENT ELECTRICITY 3 33, 34, 35
3 EFFECTS OF ELECTRICITY CURRENT
1 36
4 ELECTRO MAGNETIC INDUCTION
AND A/C 2 37, 38
5 ELECTRO MAGNETIC WAVES AND WAVE OPTICS
2 39, 40
6 ATOMIC PHYSICS 2 41, 42
7 DUAL NATURE 1 43
8 NUCLEAR PHYSICS 2 44, 45
9 SEMI CONDUCTOR DEVICES 4 46, 47, 48,49
10 COMMUNICATION SYSTEMS 1 50
21
To Write 31 and 32 Total questions: 27
One question can be asked from the textbook self evaluation. Refer Page
No. 42, 43.
1. Define electric potential at a point. (Mar 07 & June 09 ) Page No.12
2. What do you mean by ―Additive nature of charge‖? Give an
example. Page No.3 (Oct 07)
3. What is a polar molecule? Page No.24 (Mar 07)
4. State Gauss‘ Law in electrostatics Page No.17,18 (June & Oct
06,Mar,09)
5. What is meant by Dielectric Polarization? Page No.25(Oct 06, 09)
6. Why it is safer to be inside a car than standing under a tree
during lightning. Page No.21 (Mar 06,10,June 06 & 09)
7. Define ‗coulomb‘ on the basis of coulomb‘s law, explain it in
vector form? Page No.3,4 (Mar 10, June 07,10)
8. Define relative permittivity and permittivity. How they are related.
Page No.4
9. What is the unit of capacitances? Define it .What is capacitor?
Page No.22 (Mar 09)
10. What are conductors and Insulators? Give example Page No.2
11. Give any three properties of electric line of force? (June 07) Page
No.7
12. What is meant by electrostatic shielding? Where it is used. Page
No.21 (Mar 08)
13. Define electric flux. Give its unit. Page No.17 (June 08)
14. Define Potential difference? Give its unit. Page No.12
15. Explain the working of microwave oven. Page No.12 (June 08)
16. What is meant by corona discharge (or) action of points? What are
its advantages? Page No.30 (June 07, Oct 08)
17. Difference between polar and non-polar molecules. Page No.24
18. Write the application of capacitor. Page No.27 (Oct 07)
19. Distinguish between electric potential and potential difference.
Page No.12
20. What is Gaussian surface and equipotential surface? Page No.16
21. What is an electric dipole? Define electric dipole moment. Page
No.8 (Oct 09)
22. Define electric field intensity at a point in an electric field. What is
its unit? Page No.6
23. Define coulomb. (Mar 06, Oct 10) Page No.4
24. What is a non-polar molecule? Give example (Oct 06) Page No.24
25. What is electric potential energy? Page No.11
26. Problems: from text book example, page no 37, 38.
1.8, 1.11, 1.12, 1.13, 1.14, 1.15
27. Problems: from book back, page no 43 to 45.
1.46, 1.50, 1.55, 1.58, 1.59 (Mar 08)
22
To Write 33, 34 and 35 Total questions: 29
Note: One Question chance from book back and one Problem. Refer
Page No. 75-76.
1. State Ohm‘s law. Page No.48 (Mar 10,06, Oct 07 & 09)
2. Mention any 3 application of super conductor? Page No.51 (Oct 06
& 07,June 06 & 07)
3. Distinguish between electromotive force and potential difference.
Page No.62 (June 07,Oct 08)
4. State Kirchhoff‘s voltage law and current law? Page No.55,56 (June
06, Mar 07 & 08) 5. Define drift velocity. Page No.47 (Mar 10,07, Oct 08 & 09, June
09)
6. Define mobility of electrons. Give its units. Page No.47 (Oct 06,10,
Mar 08 & 09)
7. State Faraday‘s laws of electrolysis. Page No.63 (Mar 06, Jun 10)
8. Define temperature co-efficient of resistance. Page No.54(June 08)
9. What are the advantages of secondary cells? Page No.68 (Oct 08)
10. State Kirchhoff‘s laws and mention the sign convention. Page
No.55,56
11. What is called current density? Is it scalar or vector? What is its
unit? Page No.47
12. What is called super conductivity? Page No.50
13. Define electric resistance? Page No.48 (June 08)
14. Define electric resistivity of a material. Page No.49
15. Why is copper wire not suitable for potentiometer?
16. Why automobile batteries have low internal resistance?
17. The colour of a carbon resistor is yellow, violet and orange. What
is the value of resistance resistor?
18. What is the difference between primary cells and secondary cells?
Page No.66.67
19. Distinguish between electric power and electric energy. Page No.62
(June 08 & 09)
20. State Kirchhoff‘s second law for electric network. Page No.56 (Mar
09)
21. Define electro chemical equivalent of a substance. Page No.63
22. What are the changes observed at transition temperature when
the conductor becomes a super conductor? (June 2010) Page
No.51
23. What is called primary cells? Page No.66
24. How does e.m.f differ from potential difference? Page No.62
25. List the changes that occur at transition temperature. Page
No.51.
26. Differentiate current from current density. Page No.46, 47.
27. Define Transition temperature. Page No.51
28. Problems: from text book example, Page No.69 - 74
2.1(Mar 10), 2.2, 2.3, 2.4, 2.5 (June 07 & 09, Oct 07,10, Mar 08)
2.6 (Mar 07), 2.8, 2-9 (June 08) 2-10 (Oct 06) 2-13.
29. Problems: from Book Back, page no 76 to 78.
2.31, 2.32(Jun 06), 2.34 (Oct 09), 2.38 (M 07, J 10)
2.39, 2.40. 2.41
To Write 36 Total questions: 29
Problems also possible.
23
1. Why is nichrome used as a heating element? Page No.81(June 07)
2. In a Galvanometer, increasing the current sensitivity does not
necessarily increase the voltage sensitivity. Explain. Page No.106
(Mar 07)
3. Mention the limitations of Cyclotron. Page No.99 (Oct 06)
4. Define Peltier co-efficient and write its unit. Page No.84 (June 06)
5. Define Thomson co-efficient. What is its unit? Page No.85
6. Define seebeck effect. Page No.82
7. Define Ampere in terms of force. Page No.102 (Mar & June 08)
8. Difference between Peltier effect and Joule heating effect? Page
No.82,84 (Mar06)
9. State Joule‘s law? Page No.79
10. State Biot - savart law? Page No.87,88
11. What is meant by fuse wire? State its function? Page No.81
12. Define temperature of inversion. Page No.83
13. State Maxwell‘s right hand corkscrew rule. Page No.87
14. What is Ampere‘s circuital law? Page No.92 (Mar 09 )
15. What is neutral temperature of a thermocouple? Page No.83 (Oct
08)
16. How is the galvanometer converted into:
(a) ammeter (b) voltmeter Page No.106,108 (June 09)
17. How can we increase the current sensitivity of a galvanometer?
Page No.106 (Oct 09)
18. What is mean positive Thomson effect? In which elements it can
be observed? Page No.85
19. What are the characteristics of heating elements used in electric
heating device? (Mar 10) Page No.81
20. State Flemming‘s left hand rule (Oct 10) Page No.100
21. What is right hand palm rule? Page No.93
22. State principle of a cyclotron Page No.97
23. State the principle of moving coil galvanometer. Page No.10.
24. Why do we connect ammeter in series with the circuits and
Voltmeter in parallel with the circuit? Page No.108.
25. Define Thermo emf and Thermo electric current. Page No.52.
26. State ―end‖ rule. Page No.95
27. What is magnetic Lorentz force? Page No.95
28. Problems: from text book example, page no 112 to 115.
3.2 (Oct 07), 3.3, 3.4, 3.7, 3.9, 3.9, 3.11, 3.12, 3.13
29. Problems from book back : Page No.120-121
3.28, 3.32, 3.38 and 3.39.
To Write 37 and 38 Total questions: 27.
Normally one question from Book back. Page No: 157 and 158 and one
problem. In Oct 06, 08, Mar 07 and 10, problems were not given from
either example or book back. So problems may come from outside the
textbook. Refer guides.
1. State Faraday‘s laws of electromagnetic induction? Page
No.124 (June 06 & 07, Oct 07)
2. Define r.m.s value of alternating current? Page No.141 (June 07,
Oct 09)
3. State Fleming‘s right hand rule .Page No.125 (Mar 10,07 & 09, June
09, Oct 09)
4. Define quality factor.(or) q- factor. Page No.148 (Oct 06)
24
5. Mention the methods of producing induced e.m.f. Page No.131 (Oct
10, Mar 06)
6. A capacitor blocks D.C but allows A.C explain. Page No.145,146
7. Define power factor? Page No.150
8. Compare step up and step down transformer. Page No.138
9. Give difference between AF choke and RF choke. Page No.151(June
08)
10. State Lenz‘s law in electromagnetic induction. Page No.124 (June
10, Oct 07)
11. Why a D.C ammeter not read A.C? Page No.141 (Oct 07)
12. What is electromagnetic induction? Page No.122 (Mar 08)
13. Define coefficient of self induction of a coil. Page No.126 (June 09)
14. Define coefficient of mutual induction, Mention its unit. Page
No.129
15. Difference between Self induction and mutual inductance. Page
No.125,128
16. If the rate of charge of current of 2As-1. Induces an e.m.f of 10mv
in a solenoid. What is the self inductance of the solenoid? Answer:
ρ=-L x di/dt. (Formula). ρ =5mH.(repeated)
17. What is eddy current? Page No.136
18. Define instantaneous power of an AC circuit. Page No.144
19. What is inductive and capacitive resistance? Page No.144,145
20. What are the advantages of ac over dc? Page No.145,146
21. What are the factors on which the mutual inductance depends
on? Page No.129
22. What do you mean by resonance? What is the use of resonance?
Page No.148,149
23. What is magnetic flux? Give its unit. Page No.122
24. Define resonant frequency. Page No.148
25. Define efficiency of a transformer. Page No.138,139
26. Problems: from text book example, page no: 151 to 153.
4.1, 4.2 (June 06, Mar 08) 4.3
4.4 (Mar 06 & 09) 4.5, 4.6,
4.7 (June 08 & 09)
27. Problems: from book back, page no 159-160.
4-54, 4-56, 4-63,
To Write 39 and 40 Total questions: 31
Note: Normally one question from book back, Page No.208 (chance) and
one problem from either example or book back problems.
1. Define optic axis of a crystal? What is meant by optical rotation?
Page No.199 (June 07,10)
2. What is Tyndall scattering? Page No.173(Mar 07, June 10,09, Oct 10)
3. What is band emission spectrum? Give an example. Page No.168
4. Why does the sky appear blue in colour? Page No.173 (June 06)
5. What are emission and absorption spectra? Page No.168,169 (Mar
& Oct 06)
6. Distinguish between interference and diffraction fringes. Page
No.194 (Oct 07)
7. What is meant by specific rotation? Page No.202 (Mar 08)
8. The sun appears reddish during sunrise and sunset. Why? Page
No.173
9. State Rayleigh scattering law. Page No.175
25
10. Difference between fluorescence and phosphorescence. Page
No.170
11. What are factors on which optical rotation depends upon? Page No.202
(June08)
12. What are the conditions for total internal reflection to take place?
Page No.180 (Oct 08)
13. What are the characteristics of electromagnetic waves? Page
No.163
14. State Huygens‘ Principle. Page No.176 (Oct 09)
15. Write any three uses of infrared radiation. Page No.167 (Oct 08)
16. Why is the centre of the Newton‘s ring dark? Page No.187 (Mar
09)
17. State the conditions for obtaining clear and broad interference
bands. Page No.185
18. What is total internal reflection? Page No.179
19. What are Polaroid‘s? Mention any three uses of Polaroid‘s. Page
No.200
20. What are Newton‘s rings? Page No.187
21. What are electromagnetic waves? Page No.163
22. What is the principle of super position of waves? Page No.180
23. Compare ordinary and extraordinary light. Page No.199
24. Distinguish the corpuscle and photon.
25. Give the conditions for sustained interference. Page No.182
26. What are coherent sources? Page No.181
27. Distinguish between Fresnel and Fraunhofer diffraction. (Mar10)
Page No.190,191
28. What are called corresponding points? Page No.191
29. What is polarizing angle? Page No.197
30. Difference between line spectrum and continuous spectrum. Page
No.169
31. What are stokes and anti-stokes lines? Page No.173
32. What are uniaxial and biaxial crystals? Give examples Page
No.199
33. State Brewster‘s law. Page No.197
34. What do you mean by polarizer and analyzer? Page No.196
35. What is Raman Effect? Page No.173
36. State the defects of corpuscular theory. Page No.171
37. Compare polarized and unpolarised light. Page No.195
38. Problems: from text book example, Page No.203-205
5.2, (June 06) 5.4(Oct 10), 5.5 (Mar & June 07)
5.6 (Mar 08) 5.7, 5.8 (Mar 06 & 09)
39. Problems: from book back, page no 209.
5.41, 5.44, 5.45 (Oct 06 & 07,
June08 & 09), 5.49 (Oct 09) 5.50,
To Write 41 and 42 Total questions: 27
Note: One problem and one question (chance)
1. Who is hologram? Page No.46 (Oct 07)
2. Write down the 2 important facts at the Laue experiment on X-ray
diffraction. Page No.29 (Oct 07, June 08)
3. State Moseley‘s law, write its equation. Page No.33(Mar 07, 08 & 09)
4. What are the characteristics of laser? Page No.35 (Oct 06, June
09,10, Mar 10)
26
5. Write the principle of Millikan‘s oil drop experiment. Page No.5
(June 06)
6. Write the conditions to achieve laser action. Page No.36 (Mar 06,
June 07)
7. Explain any one of the drawbacks of Rutherford atom model. Page
No.12 (Oct -08)
8. Give 3 industrial uses of laser. Page No.39(June 08)
9. Give 3 properties of cathode rays. Page No.2
10. State any 3 postulates of Bohr atom model. Page No.21
11. Give drawback of Thomson‘s atom model? Page No.9
12. Compare spontaneous emission and stimulated emissions. Page
No.35
13. What is meant by normal population? Page No.35
14. What meant by population inversion. Page No.35,39
15. Write any 3 applications of laser in medical field? Page No.39 (Mar
08, Oct 09)
16. What are hard x-rays and soft x-rays? Page No.26
17. State Bragg‘s law. Page No.29
18. What are continuous x-rays? Page No.31
19. Define Ionisation potential Energy? Page No.20,21(Mar 07, June 09,
Oct 10)
20. Write any 3 industrial uses of X-Rays. Page No.34
21. What are the short-comings of Somerfield‘s atom model? Page
No.21,22
22. Write short notes on MASER. Page No.40
23. Define excitation potential energy. Page No.20,21
24. State the applications of Moseley‘s law. Page No.33
25. State Rutherford‘s atom model. Page No.11,12
26. How does laser light differ from ordinary light? Page No.34
27. What is meant by energy level diagram? Page No.18
28. Problems: from text book example, (Vol-2) page no: 41 to 45.
6.1 6.3 6.4,
6.7, (Oct 06) 6.8, 6.9 (June 10, 06,
Oct 10, 08, Mar 09) 6-10.
29. Problems: from book-back, page no 49-50.
6.46(June 07) , 6.49(Mar 06),
6.50(June 07), 6.52(Mar 10)
To Write 43 Total questions: 15
Note: Chance for problem (or) question.
1. Give limitations of electron microscope? Page No.62 (Mar 09,06)
2. What are inertial and non inertial frames of reference? Page No.63
(Oct 06, Mar 08)
3. Define threshold frequency? Page No.54
4. State the postulates of special theory of relativity? Page No.64 (Oct
07, June 09)
5. What are matter waves? Page No.58
6. Define stopping potential (or) cut-off potential? Page No.53 (Oct
09)
7. Define frame of reference? Page No.63
8. Define photoelectric work function? Page No.56
9. What is photoelectric effect? Page No.51
10. Calculate the threshold wavelength of certain metal of work
function 1.8 eV. (Oct 08)
11. What are photo cells? What are the 3 types of photo cells? Page
No.57
27
12. Mention the uses of Electron microscope (Mar 07) Page No.62
13. According to classical mechanics, what is the concept of time?
(June 10) Page No.63
14. Mention any 3 applications of Photoelectric cells. Page No.57,58
15. X-ray cannot be used in electron microscope, why? Page No.60, 61.
16. What are the concept of space and mass in classical mechanics? Page
No.63
17. Problems: from text book example, (Vol-2) Page No.68-71
7-1, 7-4, 7-5 (June 07, 08)
7-7, 7-8, 7-9.
18. Problems from Book-back, Refer Page No.74.
7.34, 7.40, 7.41, 7.42
To Write 44 and 45 Total questions: 31
Note: One problem and one question (Chance)
1. What is the use of a control rod in the nuclear reactor? Mention
any two control rods? Page No.100 (Oct 07)
2. Define roentgen? Page No.92 (June 07, Oct 08)
3. What is meant by pair production and annihilation of matter?
Page No.107 (Mar 06 & 07, June 06)
4. Write any three conclusions obtain from Binding energy curve?
Page No.80 (Oct 06)
5. Define curie. Page No.88 (June & Oct 06, Mar 08)
6. What is α-decay? Give an example. Page No.85 (Mar 06)
7. Define half life period and mean life? Page No.87,88
8. What are primary and secondary cosmic rays? Page No.105
9. What is radio carbon dating? Page No.91
10. What are breeder reactors? Page No.101 (Mar 09)
11. State the laws of radioactive disintegration? Page No.86
12. Write any three properties of neutrons (June 06, Mar 08) Page No.89
13. What is mass defect? (Oct 10) Page No.79
14. Define binding energy of nucleus? Page No.79 (Oct 09)
15. State radioactive displacement law? Page No.85 16. Define critical mass or critical size of nuclear reactor? Page No.97
(Oct 08) 17. What are cosmic rays? At what latitude and altitude the cosmic
rays intensity is maximum? Page No.105 (June 10,08)
18. Compare nuclear fission and fusion? Page No.95,103
19. What are nuclear forces? How do they arise? Page No.82
20. Write any three properties of nuclear force.Page No.82 (Mar 09)
21. Define radioactivity. Page No.83
22. Write a note on leptons. Page No.107 (June 07)
23. What are isotones? Page No.77
24. How do you classify the neutrons in the terms of K.E Page No.89
(June 09)
25. Write the equation proton-proton cycle can account for steller
energy. Page No.104
26. What is called activity of a radioactive substance? Give its units.
Page No.88
27. Explain the experiment conducted by Bothe and Becker. Page
No.89,90
28. What are thermonuclear reactions? Page No.103
29. State the principle of G.M counter. 94 30. What is a nuclear reactor? What are the uses? Page No.98,101
28
31. What are the precautions to be taken by those who are working in
radiation laboratory? Page No.93 32. What do you mean by gamma decay? Give an example. Page
No.85,86 33. Define amu. Page No.78 34. How are elementary particles classified? Page No.107 35. Problems: from text book example, (Vol-2) page no: 109.
8-1, 8-2.
36. Problems: from Book back, page no 119-120.
8.47, (Oct 07) 8.49, 8.52 (Mar 20), 8.56,
8.57(J 09) 8.58 (Mar 07, Oct09, June10), 8.59, 8.60,
To Write 46, 47, 48 and 49 Total questions: 41
Note: Chance one question from Book back and one problem from
example (or) self evaluation. Problems may also come from inside the
book, based on Logic gates. Difficult to write all four question from this
chapter, so prepare well.
1. What are the advantages of negative feedback? Page No.150 (June
07&08, Oct 08, 07)
2. Give the important parameter of an operational amplifier? Page
No.143 (Oct 07)
3. Draw the circuit diagram of AND gate using diodes and resistor.
(June 07) Page No.157
4. Define bandwidth of an amplifier. Page No.147 (Mar 07)
5. What is a light emitting diode? Give any one of its uses. Page
No.136 (Mar 07)
6. Draw the circuit configuration of NPN transistor in common
collector (C.C) mode. Page No.139 (Mar 06 & 08, Oct 06)
7. Draw the circuit diagram for OR gate-using diodes. Give its truth
table Page No.159 (June 06)
8. Define input impedance of a transistor connected in common
emitter mode Page No.141 (June 06 & repeated)
9. What is an intrinsic semiconductor? Give two examples. Page
No.125 (Mar-06)
10. State De - Morgan theorem. Page No.161(Mar 08 & 09,June 10)
11. Compare linear IC‘s and digital IC‘s
12. Define lower cut off frequency and upper cut off frequency? Page
No.147
13. Define output impedance of a transistor in? Page No.142 (O 08,09)
14. Common emitter mode is widely used. Why? Page No.143
15. Define input impedance – mention its uses. Page No.141
16. What is an extrinsic semiconductor Page No.126 (June 06, 08, O10)
17. What is an integrated circuit, what are the types? Page No.154
(June 08 & 09)
18. What is Meant by doping Page No.125,126 (Oct 08)
19. Draw the circuit for summing amplifier Page No.167 (Mar 09)
20. Give the Barkhausen conditions for oscillator Page No.150 (Oct
07,08, June 09, Mar 10)
21. Mention any three uses of Cathode Ray Oscillator (CRO) Page
No.170 (June 09)
22. Write the different methods of doping a semiconductor Page
No.126 (Oct 09)
23. What is Zener diode? Draw its symbol. Page No.135 (Oct 09, 10).
29
24. Mention any 3 advantages of integrated circuit. Page No.154 (Mar
& Oct 06, June 10)
25. Define rectifier efficiency. Page No.133
26. What are universal logic gates? Why are they called so? Page
No.161
27. Compare N-type and P-type semiconductor. Page No.126,127
28. What is an Ex OR gate? Give its truth table. Page No.159
29. What is avalanche breakdown? Page No.134
30. Draw the block diagram of an oscillator and mention the
components. Page No.152,153
31. What is called feed back? State two types of feedback. Page
No.148
32. Construct AND gate using NOR gate. Page No.157,160
33. The gain of a amplifier without feedback is 100 and gain with positive
feedback is 200, Calculate the feedback fraction (Mar 06)
34. What is Zener breakdown? Page No.135 (Oct 06, June 07, Mar 08)
35. The voltage gain of an amplifier without feedback is 100, If feedback is
supplied with a feedback fraction β=0.1, Calculate the voltage gain after
feedback. (Oct 06)
36. What is rectification? Page No.132 (Mar 07,09)
37. Draw the energy band diagram of N-type and P-type Semi-conductors.
Page No.127,128 (Mar 10)
38. Draw NOT gate using transistor. Page No.158 (June 10)
39. What are the essential components of a LC oscillator? Page No.152 (Oct
10)
40. What is the principle involved in the method of biasing a transistor?
Page No.145.
41. Write a note on OP-AMP. Page No.164.
42. Derive the relation between the α and β of a transistor. Page No.140
43. Define forbidden energy gap. Page No.123
44. Compare analog and digital signal. Page No.155
45. Define current gain of CE mode. Page No.140
46. Problems: from text book example, (Vol-2) page no: 172 to 175.
9-2 (Mar 08), 9-3 (June 06, Oct 09, 10, Mar 10) 9-4,
9-5 (Oct 07), 9-8 (June 08) 9.9(Model in J 07)
47. Problems: from Book-back, page no 178 to 179.
9.50 (June 10), 9.51, 9.52(Mar 07), 9-55, 9.56(Model in Mar 09)
9.57, 9.58, 9-60(June 09)
To Write 50 Total questions: 19
Note: Normally less chance for problem from this chapter. Chance from
book-back question, Page No. 216, 217.
1. What is the necessity of modulation? Page No.185 (Oct 07)
2. What is meant by skip distance? Page No.184 (June 07 &09, Mar
08, Oct 10)
3. What are the advantages of digital communication? Page No.209
(Mar 07, June 10)
4. What is fax? Give its uses? Page No.210 (Oct 06)
5. Three applications of radar? Page No.207 (June 06)
6. Define modulation factor in Amplitude modulation. Page No.186
(Mar 06, 10, June 08, Oct 09)
7. What is called phase modulation? Page No.191
8. What is optical fiber? Page No.211
9. Explain geo stationary satellite? Page No.212
30
10. What are the advantages of frequency modulation? Page
No.190(Mar 09)
11. Mention any three advantages of fiber optic communication
system Page No.212 (Oct 08)
12. What are the different types of wire and cable used for
communication system? Page No.210
13. What is meant by scanning? Page No.198
14. What are called blanking pulses? Page No.199
15. What is an antenna and antennae gain? Page No.191
16. What are the De-merits of satellite communications? Page No.214
17. What is meant by Skip zone? Page No.185
18. What is modulation? What are the different types of modulation? Page
No.185
19. Define bandwidth and carrier swing. Page No.188,190
20. What do you mean by Sky wave (or) ionospheric propagation? Page
No.183
21. What are the advantages and disadvantages of digital communications?
Page No.209
22. What are the advantage and disadvantages of AM? Page No.189
23. Merits and De-merits of satellite communications. Page No.213-214
24. Disadvantages of FM. Page No.191
25. State the principle of radar. Page No.206
26. Problems: from text book example, (Vol-2) page no: 214.
10-2.
27. Problem : From book-back: Page No: 217, 10.33 (Model)
Sl. No UNITS No. of
Qus. 12 Q.No
1 ELECTROSTATICS 1 51
2 CURRENT ELECTRICITY 2 52, 53
3 EFFECTS OF ELECTRICITY CURRENT
1 54
4 ELECTRO MAGNETIC INDUCTION AND A/C
1 55
5 ELECTRO MAGNETIC WAVES AND WAVE OPTICS
1 56
6 ATOMIC PHYSICS 1 57
7 DUAL NATURE 2 58, 59
8 NUCLEAR PHYSICS 1 60
9 SEMI CONDUCTOR DEVICES 1 61
10 COMMUNICATION SYSTEMS 1 62
To write 51 Total Questions: 8
Note: Normally problems more chance, from this chapter. (Text book
examples or self evaluation). If problem is not given, chance from text
31
book back Question. Refer March 09 and October 09 question papers.
Page No.42,43 For book-back questions.
1. Write the properties of electric lines of forces. Page No.7 (Mar 07 &
08, Oct -07, Mar 10)
2. Define electric potential at a point. Obtain an expression for electric
potential due to a point charges. Page No.12,13 (Mar 09)
3. What is electrostatic potential energy of a system of two point
charges? Deduce an expression for it. Page No.15,16 (Oct 09)
4. Prove that the energy stored in a parallel plate capacitors e is
Page No.28
5. Explain working method of Van-de-Graaff generator. Page No.30,31
6. Deduce an expression for the capacitance of the parallel plate
capacitor. Page No.26 (June 10)
7. Derive an expression for the torque acting on the electric dipole
when placed in a uniform electric field. (Oct 10) Page No.11
8. Find the effective capacitance of capacitors connected in parallel. Page
No.28
9. Find an expression for the field due to an Infinitely long straight charged
wire. Page No.18
10. Find an expression for the electric field due to an infinitely charged
plane sheet. Page No.19
11. State coulomb‘s law and derive its vector equations. Page No.3, 4,
5.
12. Explain the principle of capacitor. Page No.22
13. Explain the electric potential energy of an electrical dipole in an
electrical field. Page No.14
14. Using Gauss Theorem, Determine the field due to an infinite long
straight wire. Page No.17,18
15. Problems from text book examples. (Vol.I) - Page No.33-40.
1.4(C.P), 1.5(C.P), 1.9(C.P), 1.13(Mar 06), 1.16(June 09).
16. Problems from book-back problems, Page No.43-45
1.42, 1.45, 1.46, 1.47 1.49(C.P, Model Paper & June 08), 1.53(Oct 08)
1.54 (C.P in June 07), 1.55, 1.56, 1.58, 1.59(June 06, Oct 06).
To write 52 and 53 Total Questions: 19
Note: Chance for one question and one problem. Compulsory problems is
given in (Mar 07, June 10 and Oct 10) – 3 Times, from this chapter.
1. Explain the working of a Leclanche cell with a diagram. Page
No.66-67 (June 07)
2. How will you compare the e.m.f.s of 2 cells using potentiometer?
Page No.61,62 (Mar 07, Oct 08)
3. Obtain the condition for bridge balance in wheat stone‘s bridge
Page No.57-58 (Mar 06 & 08, June 06 & 09, Oct 06, Mar 10)
4. If two or more resistors are connected in parallel derive an
expression for the effective resistance. Page No.53 (Oct 06)
5. Write any five applications of super conductors. Page No.51 (Oct
08, Mar 09)
6. Explain how Metre Bridge is used to find the resistance of the
wire. Page No.59
7. Define mobility. Establish a relation between drift velocity and
current. Page No.47-48 (Mar 06)
8. State and verify Faraday‘s second law of electrolysis.How is it
verified experimentally? Page No.63,64 (June 06, Mar 08)
9. State and explain Kirchhoff‘s second law for electrical network
Page No.56 (June 07)
32
10. Explain the principle of potentiometer. Page No.60,61 (Oct 07)
11. Explain the action of lead acid accumulator. Page No.68 (Oct 07)
12. Explain the determination of the internal resistance of a cell using
voltmeter. Page No.54-55 (June 08, Oct 09)
13. State the Faraday‘s first law of electrolysis and describe the
experimental verification. Page No.63(June 08, Oct 09)
14. Explain the construction and working of Daniel cell. Page No.66
(Oct 08, June 09, 10)
15. State Ohms law. Derive the relation between the current and
potential difference. Page No.48-49
16. Find the effective resistance of the resistors connected in parallel
and series. Page No.53
17. Define the term specific resistance. How will you find this using
metre bridge? Page No.59-60
18. Derive the relation between current and drift velocity. Page No.48
19. Problems from Textbook examples: Page No.69-74
2.2 (Mar 09), 2.6, 2.7, 2.9, 2.10 (C.P in June 10), 2.11(C.P in Oct 10),
2.12 (C.P in Mar 07).
20. Problems from Book-back: Page No: 76-78.
2.30 (Compulsory Problems), 2.33(Mar 10, C.P in Mar07), 2.36,
2.42, 2.44 (C.P in Oct 10), 2.45
To write 54 Total Questions: 10
Note: Compulsory problem given from this chapter in Mar 09 and Oct 09
1. What are the special features of magnetic Lorentz force? Page No.95-96
(June 07)
2. Explain the conversion of a galvanometer in to an ammeter. Page
No.106 (Mar 07)
3. Explain in detail the principle and construction of a Tangent
galvanometer. Page No.91(Diagram, theory not necessary)(Oct 08)
4. State and explain Biot-Savart law. Page No.87,88 (June 09)
5. Show that the force acting on a current carrying conductor placed
in a magnetic field is Page No.98-99
6. Deduce an expression for the force on a current carrying
conductor placed in a magnetic field. Page No.98-99
7. Explain how a galvanometer is converted into a voltmeter. Page
No.108 (repeated)
8. Find an expression for the force between two long current carrying
conductors. Page No.101
9. Write a note on Thermopile. Page No.85, 86.
10. Problems from textbook examples Page No.112-117
3.3(C.P in Model Paper 5), 3.4(Oct 07), 3.5(Repeated in Model Paper),
3.6(C.O in model Paper), 3.11(Repeated problems in model paper),
3.13(June 10, C.P in Oct 09), 3.16 (Mar 07 & C.P in Mar 09), 3.18 (June
08).
11. Problems from Book-back. Page No.120-121.
12. 3.30 (Mar 06, Oct 06 and C.P in Mar 09), 3.32 (C.P in Model Papers),
3.34, 3.35 (June 06 & C.P in Oct 09), 3.37, 3.39(Oct 10 and C.P in
Model Papers), 3.40.
To write 55 Total Questions: 14.
Note:Normally Q.No 55 is from Unit 4, Chances for book-back
questions. Page No.158-159. Till now, In all the previous board papers (Mar
06-Oct 10), Compulsory problem is not given from this chapter. So chances for
problems for the next board exam. Problem was given only once in June 09
(Eg.4.5)
33
1. Define the Efficiency of a transformer. What are the reasons for
various energy losses in a transformer? Explain how they can be
minimized. Page No.138-139 (June & Oct 06)
2. Obtain the phase relation between current and voltage in an a.c
circuit with an inductor only (graph not necessary) Page No.143-
144 (Mar 06 & 08)
3. What are eddy currents? Give their application. How are they
minimised? Page No.136
4. Explain how an e.m.f can be induced by charging the area
enclosed by the coil. Page No.132 (June 07, Oct 07 & 08, Mar 09)
5. Explain the mutual induction between two long solenoids. Obtain
an expression for the mutual inductance of a long solenoid. Page
No.130 (June 08)
6. Derive the expression for the self inductance of a long solenoid.
Page No.126-127
7. Explain A.C circuit with resistor only. Page No.142-143
(June 08)
8. Calculate the energy associated with an inductor. Page No.127-
128
9. Describe the principle, construction and working of a choke coil.
Page No.150-151
10. Give the application of eddy currents (Mar 07) Page No.134-137
11. Explain long distance power transmission Page No.139-140
12. Problems from textbook examples. Page No.151-155
4.3, 4.5(June 09), 4.7, 4.8, 4.9, 4.10.
13. Problems from Book-back. Page No.159-160
4.54, 4.56, 4.57, 4.59, 4.60, 4.64
To write 56 Total Questions: 23
Note: More chance for book back questions. Compulsory problem is
given only in (Oct 07, 08, Mar 10), 3 – Times from this chapter.
1. Write a note on piles of plates. Page No.198 (Mar 06, June 09)
2. Explain polarization by reflection. Page No.197
3. State and prove Brewster law. Page No.197 (June 06, 07 & 08, Oct
06, Mar 09, June 10)
4. Write a note on Nicol prism. Page No.199 (Mar 07, Oct 09)
5. Explain the Phenomenon of total internal reflection by using wave
theory. Page No.199
6. Explain Huygen‘s principle. Page No.176
7. What are Fraunhofer lines? How is it useful to study the sun‘s
atmosphere? Page No.169,170
8. State any five characteristic of electromagnetic waves. Page
No.163-164
9. State and explain Raman Effect. Page No.173
10. Describe Rayleigh scattering in detail. Page No.173
11. Explain double refraction. Page No.198-199
12. Give the difference between interference and diffraction. Page
No.194 (Oct 10)
13. Bring out the differences between ordinary and extraordinary
light. Page No.199
14. What are Newton‘s rings? Why the centre of the Newton‘s ring is
dark? Page No.187
15. What is meant by optical rotation? On what factors does it
depend? Page No.201-202
16. How are (i) wavelength of light and (ii) refractive index of a liquid
determined using Newton‘s rings?
17. Derive an expression to the radius of Newton‘s nth dark ring and
hence explain the applications of Newton‘s rings. Page No.189
34
18. Explain the types of emission spectra Page No.168
19. Describe reflection of plane wave front using wave theory. Page No.177
20. Describe the uses of Polaroid‘s. Page No.200-201
21. Problems from textbook examples Page No.203-205
5.3(Model, Given as C.P in Oct 09, 08), 5.7(Mar 08, C.P in Mar 10)
22. Problems from Book-back Page No.209
5.40, 5.42 (C.P in Oct 08), 5.43 (C.P in Oct 07), 5.46, 5.47 (C.P in
Mar 10), 5.48
To write 57 Total Questions: 18
Note: Normally Q.no 57 will come from Atomic physics. Chance for a
question or problem. Till now (Mar 06- Oct 10), C.P is not given from
this chapter. So chances for C.P for this March 11.
1. Mention the properties from x rays. Page No.27
(June 06)
2. Describe Lane experiment, which are the facts established by it. Page
No.28 (Oct 06)
3. Short comings of Bohr‘s Theory? Page No.21
4. Explain the spectral series of hydrogen atom without diagrams.
Page No.16 (Mar 06, Mar 10m June 10)
5. State and obtain Bragg‘s law. Page No.29 (June 08, Oct 09)
6. Write any five properties of cathode rays. Page No.2(Oct 06, June09)
7. Explain the origin of characteristic x-rays. Page No.32 (Mar 09)
8. Explain the production of x-rays in Coolidge tube. Page No.25
9. Explain the origin of continuous x-ray spectra. Page No.32
10. Explain the production of canal rays. Page No.2,3
11. Explain the working of He-Ne Laser with the help of energy level
diagram. Page No.38
12. Probe the energy of an electron for Hydrogen Aton in nth orbit (Oct
07) Page No.15
13. Explain how Bragg‘s X-Ray spectrometer is used to determine the
wavelength of X-Rays. Page No.30
14. Wavelength of Balmer Second line is 4861 A. Calculate the wavelength of
the first line (Repeated Problem) Page No.13
15. Derive an expression to the radius of nth orbit of an electron based on
Bohr‘s theory. Page No.14
16. Describe industrious applications and medical applications of
Laser Light. Page No.39
17. Describe the scientific and engineering applications of X-Rays. Page
No.34
18. Explain the properties of canal rays. Page No.3
19. Describe the defects of Rutherford‘s atom model. Page No.12
20. Problems from text book examples Page No.42-45
6.2, 6.4 (Mar 08), 6.5(Mar 07), 6.7(Oct 07), 6.8(June 07).
21. Problems from Book-back questions. Page No.49-50
6.45 (Oct 10), 6.46, 6.47, 6.48.
To write 58 and 59 Total Questions: 24
Note: Normally Q.no 58 and 59 will come from dual nature of radiation.
One question and one problem may come from this chapter.
Compulsory problem was given in June 2009 from this chapter.
35
1. Explain the construction and working of a photo emissive cell
with diagram. Page No.57 (Oct 08)
2. Describe Hallwachs experiment for they study of photo electric
effect? Page No.51 (repeated)
3. Discuss the effect of frequency of incident radiation on stopping
potential. Draw graph. Page No.53-54
4. Explain the wave mechanical concept of an Atom. Page No.60 (Oct
07)
5. Define work function state law of photo electric emission. Page
No.55 (Mar 07)
6. Explain Lorentz – Fitzgerald contraction, with examples? Page
No.64 (Mar 06 & 08)
7. Obtain Einstein‘s photoelectric equation. Page No.55-56 (Mar 06
June 06, Oct 09)
8. Explain time dilation with an example. Page No.65 (Mar 06 &
Mar 08)
9. Write any five applications of photoelectric cell. Page No.57-58 (Oct
06, June 07, Mar 08, June 08 & 09)
10. Derive an expression for De Broglie wavelength of matter waves.
Page No.58 (Oct 06, Mar 07 & 09)
11. Obtain Einstein‘s Mass-energy equivalence. Page No.65-66(June 07)
12. Explain the variation of photoelectric current with applied voltage.
Page No.52-53
13. Explain Einstein‘s theory of photoelectric effect. Page No.55-56
14. Explain length contraction on the basis of special theory of
relativity 9Mar 10, Oct 10). Page No.64
15. Explain the effect of potential difference on the photoelectric
current. Page No.52
16. What is photo electric cell? Explain its working. Page No.57
17. Explain the construction and working of electron microscope.
Draw neat sketch. Page No.61
18. What is photoelectric effect? Explain With the help of a graph.
Explain the effect of intensity if incident radiation on the
photoelectric current. Page No.51
19. State the postulates of special Theory of relativity. Page No.64
20. Discuss the concept of space, time and mass. Page No.63
21. Explain the frame of reference. Page No.63
22. What is photoelectric effect? State the laws of photoelectric emission
(Mar 09)
23. Derive an expression to the D-broglie‘s wavelength associated with
accelerated electrons. Page No.59
24. Describe photo emission cell. What are its applications. Page No.57-58
25. Problems from text book examples: Page No.68-67
7.2(Oct 09), 7.8(Oct 08), 7.9
26. Problems from Book-back Page No.74
7.33, 7.39 (As C.P in Model Papers), 7.48, 7.40 (C.P in June 09)
To write 60 Total Questions: 11
Note: Normally Q.No is 60 is from nuclear physics, nearly all examples
and all book back problems were given as problems or Compulsory
problems in board papers or model papers. Compulsory problems were
given in (Mar 06, June 06, Oct 06, Mar 08, June 08), 5 times in board
papers.
1. If the mass defect of the nucleus 6C-12 is 0.098 amu. Then
calculate the binding energy per nucleon. (June 07)
36
2. Write a note on the biological hazards of nuclear radiation. Page No.92
(Oct 08) 3. Explain how a cosmic ray shower is formed Page No.105 (Mar 07)
4. Explain the latitude effect of cosmic rays. Page No.106 (June
09,Oct 07)
5. Explain the different characteristics of nuclear forces. Page No.82
6. Explain the variation of binding energy with mass number by a
graph and discuss its features. Page No.79-80
7. Explain the construction and working of an atom bomb. Page
No.98-99
8. Explain how liquid drop model of the nucleus can account for
nuclear fission. Page No.96
9. Explain how carbon nitrogen cycle can account for the production
of stellar energy. Page No.104
10. Give an explanation for the binding energy curve (Graph not
needed) (June 10) Page No.79-80
11. Write the properties of alpha – rays (Oct 10) Page No.89
12. Derive the expression N=Noe-λt for radioactive disintegration Page No.86
13. Explain the principle, Construction and working of a G.M Counter.
Page No.94
14. State any 5 properties of neutrons. Page No.89
15. Describe the properties of beta rays. Page No.84
16. Write a note on elementary particles.
17. Write a note on Atom Bomb. Page No.97-98
18. Describe Radioactive displacement law. Page No.86
19. What are the results obtained in binding energy curve? Page No.79-80
20. Describe application of radio isotopes. Page No.90
21. Describe the properties of nuclear force. Page No.82
22. Problems: from text book example, (Vol-2) Page No.109-115.
8-1 (compulsory problem in model papers) 8-2 (Mar 09) 8-3,
8-4 (repeated in model papers) 8-5 (Mar 08) 8-
6.8-7 & 8-10 (compulsory problem in Mar 06) 8-8 (repeated)
8.9 (compulsory problem in Oct-06, June-08, as well as in few
model papers)
23. Problems: from solution book, page no 63.
8-47 (Oct 07)
8-49 (compulsory problem in June 06)
8-50 (compulsory problem in model papers)
8-51 (repeated)
8-53 (compulsory problem in Oct 06, Mar 08)
8-54 (compulsory problem in June 06 & 08, Oct 09)
8-55,
8-58 & 8-60 (both combined as compulsory problem in few model
papers).
8-61 (compulsory problem in few model papers)
To write 61 Total Questions: 21.
Note: Normally Q.no 61 will come from Semi conductor devices.
Question or problem has more chances. Only in June 10, Problem was
given from this chapter. Till now, compulsory problem has not been
asked from this chapter.
1. Explain bridge rectifier with neat circuit diagram. Page No.133
(June 06)
2. With a circuit diagram, explain voltage divider biasing of a
transistor. Page No.145 (Mar 07, June 09)
37
3. Draw the frequency response curve of single stage CE amplifier
and discuss the result. Page No.146 (Mar 08) 4. What is an AND gate? Explain the function of AND gate using
electrical circuit and using diodes. Page No.157 (June 08)
5. Explain the circuit symbol and pin out configuration of an
operational amplifier. Page No.164 (Oct 08)
6. Explain the forward biased characteristics of PN junction diode.
Page No.129
7. State and prove De Morgan‘s Theorems. Page No.161 (Mar 10, 06,
Oct 06,10 & 09)
8. Define current amplification factor α and β and obtain the
relation between them. Page No.140 (June 07)
9. Explain the function of a transistor as a switch. Page No.143(Oct 07)
10. Explain the working of a half wave diode rectifier. Page No.132(Mar
09)
11. Explain, how operational amplifier is used as summingPage
No.167
12. Explain the principle of feedback amplifier. Page No.148
13. Explain the transistor circuit configurations. Page No.139
14. Explain half wave rectification. Page No.132
15. Sketch a neat diagram of a full wave rectifier using diodes.
Explain its working. Page No.133
16. Describe the construction of Zener diode and mention, how it
used as a voltage regulator? Page No.135
17. Compare intrinsic and extrinsic semiconductor. Page No.125-126
18. What is an EXOR gate? Give the Boolean expression for the EXOR
operation. Page No.159
19. Describe the voltage divider bias of a NPN transistor. Page No.145-146
20. Problem from text book example – Page No. 172-175
9.1, 9.2 (June 10), 9.6, 9.8, 9.9
21. Problem from Book back questions. : Page No.179, 179
9.53 (Model Paper)
To write 62 Total Questions: 22
Note: Normally Q.No 60 will come from Communication systems. Till
now (Mar 06- Oct 10), Problems were not given from this chapter.
1. What are the advantages and disadvantages of digital
communication Page No.209 (Mar 06, June 06, 08 & 09)
2. Explain space wave propagation of radio waves. Page No.183 (Oct 06)
3. Explain the function of a straight radio receiver. Page No.194
4. Explain the function of a FM super heterodyne receiver with a
diagram. Page No.196 (Oct 08, Mar 09)
5. Explain analog and digital communication. Page No.208
6. Write a note on wire and cable used for Telecommunication
system. Page No.210, 211
7. What is an optical fibre? Mention the advantages of fibre optical
communication system. Page No.211 (Mar 08)
8. Write a note on satellite communications. Give its merits and
dements. Page No.212-214
38
9. Mention the principle of RADAR and write its applications. Page
No.206 (Mar 07, 10)
10. Draw the block diagram of AM radio transmitter and explain its
function. Page No.192 (Oct 07, 10)
11. Explain the function of FM transmitter, with a neat diagram. Page
No.193 (Oct 08, 09, June 10)
12. Explain the merits and demerits of frequency modulation. Page
No.190-191
13. Explain super heterodyne receiver (AM) with block diagram. Page
No.194-195
14. Explain the working of simple radio receiver with a block diagram.
What are its disadvantages? Page No.194
15. Explain frequency modulation transmitter with block diagram.
Page No.193
16. How is flicker effect removed during interlaced scanning? Page
No.200
17. Explain the function of various units in the monochrome
television transmission. Page No.203
18. Explain the ground wave propagation. Page No.182
19. Explain amplitude modulation. Page No.186 (repeated)
20. Explain the operation of Facsimile. Page No.210
21. Explain the variation of motion of radio waves at different angles
of incidence. Page No.184-185
22. Write a short note on fibre optical communication and mention
its advantage (June 07). Page No.211, 212
Sl. No UNITS No. of
Qus. 8 Q.No
1 ELECTROSTATICS 1 63
2 EFFECTS OF ELECTRICITY CURRENT
1 64
3 ELECTRO MAGNETIC INDUCTION AND A/C
1 65
4 ELECTRO MAGNETIC WAVES AND WAVE OPTICS
1 66
5 ATOMIC PHYSICS 1 67
6 NUCLEAR PHYSICS 1 68
7 SEMI CONDUCTOR DEVICES 1 69
8 COMMUNICATION SYSTEMS 1 70
Note: Normally no ten marks question from Dual nature and
Current electricity.
39
To write 63
NOTE: Chance from book question for this march 2010. Refer text book
page no: 42, 43 (vol-1)
1. What is an electric dipole? Derive an expression for the electric
field due to an electric dipole at a point on its axial line. Page
No. 8-9 (Mar 06 & 09, June 06, June 10, Oct 10)
2. What is an electric dipole? Derive an expression for electric
potential due at a point to an electric dipole discus the special cases. Page No.14-15 (Oct 06, Mar & June 08, repeated)
3. Deduce an expression for equivalent capacitance of capacitors
connected Page No.27-28 (i) parallel (ii) series. (June, Oct 07)
4. Principle, construction and working of Van de Graaff generator. Page No. 30-31(Oct 08 & 09)
5. Derive an expression for electric field due to an electric dipole at a
point along the equatorial line. Page No.9-10 (Mar 07, June 09)
6. Explain the principle of a capacitor. Deduce an expression for the
capacitance of a parallel plate capacitor. What is capacitor? Page
No.22-26 7. State Gauss‘s law. Applying this calculate electric field due to (i)
an infinitely long straight charged with uniform charge density (ii)
an infinitely plane sheet of charge of q. Page No.17-19.
8. What is dielectric? Explain the effect of introducing a dielectric slab between the plates of a parallel plate capacitor. Page No.24-
26 9. Define the electric potential at a point. Is it a scalar or vector
quantity? Obtain an expression for electric potential due to a
point charge. Page No.12-13
To write 64
Note: Normally two marks combined as 10 marks from this chapter.
1. Discuss the motion of a charged particle in a uniform magnetic
field. Define magnetic Lorentz force.(June 10) Page No.95-97
2. Explain the principle, construction and working and limitations of
a cyclotron. Page No.97-99 (Mar 07, Oct 10)
3. Obtain an expression for the torque experienced by a current loop
in a uniform Magnetic field. Page No.14-15
4. Obtain expression for a magnetic induction due at a point to
infinitely long straight conductor carrying current. Write
expression for the magnetic induction when the conductor is
place in a medium of permeability. Page No.88-89 (June 06, Oct 09,
Mar 10)
5. Apply Biot – Savart law, obtain an expression for the magnetic
induction at a point due to infinitely long straight conductor
carrying current. Page No.87-89 (Mar 06, Oct 09, repeated)
6. Define ampere‘s circuit law. Applying it find the magnetic
induction at a point due to solenoid carrying current. Page No.92-
95 (Oct 06, June 09)
7. State Joule‘s law. Explain Joule‘s calorimeter experiment to verity
Joule‘s law of heating. Page No.79-81 (June 07)
8. Deduce the relation for the magnetic induction, at a point along
the axis of a current coil carrying current. Page No.89-90 (Oct 07,
Mar 08)
9. Explain in detail the principle, construction and theory of a
tangent galvanometer. Page No.91-92 (June 08)
40
10. Deduce expression for the force on a current carrying conductor
placed in a magnetic field. (Oct 08) Find the magnitude of the
force. (Mar 09) Page No.99-100
11. Explain the principle, construction, theory of moving coil
galvanometer. Page No.103-105
12. Deduce an expression for the magnetic dipole of moment of a
revolving electron. Page No.110-111
To write 65
Note: Normally Questions will be twisted type. So prepare well. Chances
for book-back. Refer Page No.158-159
1. Principle, construction, theory of a transformer. Define its
efficiency mention the energy losses and working of transformer.
Page No.137-138 (Mar 06)
2. Describe principle, construction, and working of a single phase
A.C generator. Page No.133-134 (Mar 07 & 08, June 07, Oct 08, 07)
3. Discuss theory of inducing e.m.f in a coil by changing its
orientation with respect to the direction of the magnetic field. Page
No. 132-133(June 08, Oct 09)
4. Obtain the phase relation between voltage and current in an A.C
circuit containing a pure inductance. Draw the necessary graph.
Page No.143-144 (Oct 08)
5. What are eddy current? Explain their applications. How are they
minimized? Page No.136-137 (Mar 09)
6. Describe principle, construction, and working of a choke coil.
Page No.150-151
7. Explain A.C current containing resistor, inductor and capacitor in
series. Page No.146-147
8. In an ac circuit containing a capacitor, the instantaneous emf is
e=Eosinωt. Obtain the expression for instantaneous current. Explain the
phase relation between emf and current by graph. (Oct 06) Page No.144
9. State Lenz‘s law and illustrate through an experiment. Explain how is it
in accordance with the law of conservation of energy? Page No.124-125
10. Explain the mutual induction between two long solenoids. Obtain an
expression for the mutual inductance. Page No.128-129
11. Obtain an expression for the current flowing in a circuit containing
resistance only to which alternating emf is applied. Find the phase
relationship between voltage and current. Page No.142-143
12. Obtain an expression for the current flowing in a circuit containing
resistance only to which alternating emf is applied. Find the phase
relationship between current and voltage. Page No.144-145
13. Describe the principle, construction and working of three phase a.c
generator. Page No.135-136
14. A source of alternating emf is connected to a series combination
of a resistor R, L, C. Refer the page 159 (4.53) Page No.146-147
(June 06, 09)
To write 66
Note: Normally question from book back chance. Two 5 marks
questions combine as 10 mark (chance)
1. Explain Raman scattering of light with the help of energy level
41
diagram. Page No.173-175 (Mar 07, Oct 07)
2. Discuss an experiment to demonstrate the transverse nature of
light. Page No.194-195
3. Obtain an expression for the radius of the nth dark ring in
Newton‘s rings. Give its applications. Page No.189
4. Explain Polarisation by reflection. Derive Brewster‘s law and
describe the working of pile of plates. Page No.197-198
5. Write a note on (i) Nicol Prism (ii) Polaroid. Page No.199-200
6. On the basis of wave theory, explain total internal reflection.
Write the conditions for the total internal reflection to take place.
Page No. 179-180 (Mar 06, June 06, 10, Oct 10, Mar 10)
7. What is known as interference? Derive an expression for band
with of interference fringes in Young‘s double slit experiment.
Page No.181-183 (Oct 06, June 07, Mar 09)
8. Explain emission and absorption spectra.PageNo.168-169(June 09)
9. State Huygens‘s principle on the basis of wave theory. Prove the
laws of reflection. Page No.176-177 (Oct 08)
10. Explain theory of interference in thin transparent film due to
reflected light and obtain the condition for the intensity to be
maximum and minimum. Page No.181 (June 08, Oct 09)
11. What are called Newton‘s rings? Explain the experiment and
theory of forming the Newton‘s ring. Page No.182
12. Discuss the theory of transmission grating. Page No.191-192
13. Explain the refraction of a plane wave front at a plane surface
and state laws of refraction. Page No.178-179
14. What is meant by optical rotation? On what factors does it
depend? Page No.201-202
15. What is Raman Effect? Explain Raman Spectrum with diagram (Mar 08)
Page No.173-175
16. Explain reflection and refraction on the basis of wave theory of light.
Page No.177-178
To write 67
Note: Normally Questions will be twisted way. So prepare well.
1. State Bohr‘s postulates. Obtain an expression for the radius of nth
orbit of hydrogen atom. Page No.12-13 (Mar 06, June 09)
2. Draw a neat diagram of the He-Ne laser and explain its working
with the help of energy level diagram. Page No.38-39(June 06)
3. Draw a neat sketch of ruby laser. Explain its working with the
help of energy level diagram. Page No.36-37(Oct 06 & 07, Mar 09)
4. How will you determine the wavelength of x-rays using Bragg‘s
spectrometer. Write any five properties of x-rays. Page No.27-
30(Mar 07)
5. Derive Bragg‘s law. Explain how a Bragg‘s spectrometer can be
used to determine the wavelength of x-rays. Page No.29-30 (June
07)
6. Obtain the expression for the radius of nth orbit of an electron
based on Bohr‘s theory. Page No.13-14 (Mar 08)
7. Describe the J.J Thomson method for determine the specific
charge of an electron. Page No.3-4 (Oct 09, 10, Mar 10, June 10)
8. Explain the method of calculating ratio of semi major and semi
minor axes of elliptical orbit of Sommer field atom model. Page
No.21-24
9. Explain the production of X-rays using Coolidge tube. Page No.25-
26
42
10. Give an account for principle of laser, laser action and
characteristic laser. Page No.34-35
11. Millikan‘s oil drop experiment to determine the charge of an
electron. Page No.5-7 (June 08, Oct 08)
12. Refer book back questions: (Vol-2) page no 48, 49.
6-21, 6-24, 6-25.
13. Find an expression for the total energy of an electron.
To write 68
Note: Normally book back question Chance. Refer Page No.118-119
1. Explain the stellar energy with proton-proton cycle and carbon-
nitrogen cycle? Page No.104
2. What is the nuclear reactor? Explain the function of (i)
moderator (ii) control rods (iii) neutron reflector. Mention the uses
of nuclear reactor. (diagram not necessary) Page No.98-101 (Mar
06)
3. Describe the principle and action of a Bainbridge Mass
spectrometer in determining the isotopic masses. Page
No.80-81 (June 06, 07 & 08, Oct 06, Mar 09)
4. Explain the construction and working of a GM counter.
Page No.94 (Mar 07, Oct 07, June 09)
5. What are cosmic rays? Explain the latitude effect and Altitude
effect, regarding cosmic rays. Page No.13-106 (Mar 08)
6. Obtain an expression for the amount of the radioactive substance
present at any moment. Obtain the relation between half life
period and decay constant. (Oct-08). Write the radioactive law of
disintegration. (Oct 09) Page No.86-87
7. Compare the properties of alpha, beta and gamma rays. Page
No.84-87
8. Draw a neat sketch; explain the working of a nuclear reactor.
Page No.9-101
9. Describe the cosmic rays showers. Explain quark model of
elementary particles. Page No.106-108
10. What are the nuclear forces? Give important properties of nuclear
forces. Page No.82
11. Explain mass defect. Draw the graph of binding energy. What are
the inferences from the graph? Page No.79-80
12. Describe the properties of cosmic rays. Page No.105
13. Derive the relation N=Noe-λt. Derive an expression for Half-life. Page
No.86-87
To write 69
Note: Normally book back question chance. Refer Page No.117-178.
1. With the circuit diagram, explain the working of a Bridge rectifier.
Draw its input and output signals. Page No.133-134 (June 07)
2. Explain with neat circuit diagram, the working of single stage CE
amplifier Page No.146-147 (June 08, Oct 08, repeated)
3. What is the rectification? Explain the working of Bridge rectifier
with necessary wave forms. Page No.132-133 (Mar 06)
4. Sketch the circuit of a Colpitts oscillator and explain its working.
43
Page No.153 (June 06, Oct 06, Mar 08, June 09)
5. With a circuit diagram, explain the working of an operational
amplifier as a summing amplifier. Page No.167 (Mar 07)
6. Explain the action of an operational amplifier as difference
amplifier. Page No.168 (Oct 07)
7. What meant by feed back? Derive an expression for voltage gain
of an amplifier with negative feedback. Page No.148 (Mar 09.
repeated)
8. What is operational amplifier? Explain its action as (i) inverting
amplifier (ii) non inverting amplifier. (Oct 09. repeated) Page No.164-
167
9. Describe the energy band structure of insulator, semi conductor
and conductor. Page No.123-124
10. Describe the construction of cathode ray oscilloscope (CRO)
working; describe various compounds with neat diagram and how
it used to determine frequency and voltage. Page No.169-170
11. What is called amplifier? With a circuit explain the working of
transistor as amplifier. Page No.143-144
12. With the help of neat circuit diagram, explain the output
characteristic of an NPN transistor in CE mode and methods of
finding the parameters of the transistor. Page No.140-142
13. Describe the working of a transistor amplifier with graph. Page
No.143-144
14. Draw the logic diagram and write the truth table for the following
logic gates. (i) OR gate (ii) AND gate (iii) NOR gate (iv) EXOR gate (v)
NAND gate. Page No.156-160
15. What is an IC? Explain the classification of IC by its construction.
Page No.154
16. Explain the working of half wave diode rectifier. Page No.132
17. Describe the construction and working of a multimeter with a neat
diagram. Explain how is it used as a voltmeter and ohm-meter. Page
No.170-171
To write 70 Total questions: 15
Note: Normally Book back question chance more. Book-back may also be asked in a twisted manner.
1. Make the analysis of amplitude modulated wave. Plot the
frequency spectrum and band width. Page No. 187-188(June & Oct
06, Mar 08 & 09, Oct 10, June 10)
2. With the help of a functional block diagram. Explain the
operation of a super heterodyne AM receiver. Page No.194-
195(June 07)
3. Explain the construction and working of Monochromic picture
tube Page No.201-203
4. Write a note on fiber optic communication. Mention its
advantages. Page No.211-212
5. Write a note on satellite communication. Give its merits and demerits. Page No.212-214
6. With the help of a functional block diagram, explain the function
of a monochrome TV receiver. Page No.204-205 (Mar 06,Mar 07,
repeated)
7. With the help of block diagram, explain the function of various
units in the monochrome television transmitter. Page No.203-204
(June 08, Oct 08 & 09)
8. Explain the construction and working of a vidicon camera tube
with neat diagram. Page No.197-198 (June 07)
44
9. With the help of block diagram, explain the transmission and
reception of radar signals. Page No.206 (repeated)
10. Describe scanning and synchronizing in television.
11. What are different types of wire and cable used for
telecommunication system? Page No.209-211
12. With the help of block diagram, explain the function of AM
transmitter. Page No.192-193
13. Explain frequency modulation. Page No.189-190 14. Write about radar. (Principle, Working and applications. Page No.206-
208 15. Explain analog and digital communication. Page No.208-209 16. Explain the working of a FM transmitter using block diagram. Page
No.193 17. Explain the method of black and white TC telecast with the help of a
block diagram.
(For Practice)
Part – I
Note:
(i) Answer all the questions
(ii) Choose and write the correct answer
(iii) Each question carried one mark
1. Electric potential energy (u) of two point charges is
a) b) c) PE cosθ d) PE sinθ
2. A hollow metal ball carrying an electric charge produces no
electric fields at points
a) Outside the Sphere b) On its surface
c) Inside the Sphere d) At a distance more than twice.
3. The unit of electric field is
a) Volt/metre b)Volt x metre c) Volt/metre2 d) Coulomb/metre2
4. Which of the following quantities is scalar?
a) Displacement b) Electric force
c) Electric Field d) Electric potential
5. Ohm’s law is true for
a) Conductors only b) Semi conductors c)Both d)Neither a or b
45
6. The current produced due to orbital motion of electron is
a) b) c) d)
7. The number of turns of a coil of radius 20cm required to
produces a magnetic field of 5π x 10-4T.
a) 50 b) 25 c) 500 d) 100
8. In a three phase AC generator, the three coils are inclined at
angle of
a) 45 b) 90 c) 120 d) 90
9. Flux loss can be minimized by using
a) Wires of low resistance b) Using laminated core made of
mumetal c) shell type of core d) laminated core made of alloy.
10.How much current is drawn by the primary coil of a transformer
connected to a 220V supply, when it delivers power to an 110V
and 550w refrigerator?
a) 55A b) 2.5A c) 0.4A d) 44A
11. Which of the following devices doesn’t allow D.C current to pass
through?
a) Resistor b) capacitor c) inductor d) all of the above
12.Cores of chokes used in low frequency AC circuit is made of
a) Stelloy b) Mumetal c) Iron d) Aluminium
13.Instrument used to determine the optical rotation produced by
the substance is
a) Interferometer b) Photometer c) Polaris cope d) Polari meter
14. If the velocity of light in a medium is 2.25 x 108m/s, then the
refractive index of the medium will be
a) 1.5 b) 0.5 c) 1.33 d) 1.73
46
15.In a Newton’s ring experiment, the ratio of the radii of 4 th and 9th
ring is
a) 4:9 b) 2:3 c) 16:81 d) √2: √3
16.When an electron jumps from M-shell to Vacant K-shell, it
contributes
a) Kβ-line b)Kα-line c) Lα-line d) Lβ-line
17.The size of an atom from Rutherford experiment is
a) 10-10m b) 10-16m c) 10-14m d) 10-12m
18.The charge of an oil drop is 12.82 x 10-19C, then the number of
elementary charges are
a) 6 b) 2 c) 7 d) 8
19.In Hydrogen atom, which of the following transition produces
spectral line of maximum wavelength?
a) 2→1 b) 6→5 c) 4→1 d) 5→2
20. The wavelength of photon having an energy of 413eV is
a) 1018Hz b) 1017Hz c) 1017Hz d) 1015Hz
21.Number of neutrons in 17Cl35 atom is?
a) 17 b) 18 c) 35 d) 19
22. The nucleons in a nucleus are attracted by
a) Magnetic Force b)Nuclear Force
c) Gravitational Force d) Electrostatic Force.
23. The wavelength of matter waves is independent of
a) Mass b) Velocity c) Momentum d) Charge
24. Nuclear fission can be explained by
a) Shell model b) Liquid drop model
c) Quark model d) Bohr-atom model
47
25. Electrons in the atom of an element which determines its
chemical and electrical properties are called
a) Valence Electron b) Revolving electron
c) Excess electron d) Active electron
26. The gain of the amplifier is constant at _______ range
a) Low frequency b) mid-frequency
c) High frequency d) both low and high frequency
27. An oscillator is
a) An amplifier with positive feedback
b) Converter of a.c to d.c voltage
c) An amplifier with negative feedback
d) An amplifier without feedback
28. In a transistor with β=40, the base current is 25μA. Then the
collector current (Ic) is
a) 100μA b) 1000mA c) 1mA d) 0.1mA
29. The human voice (or) music contains waves with a frequency
range of
a) 3- 30 Hz b) 30- 300 Hz c) 3000- 30,000 Hz d) 300-3000 Hz
30. If 900 KHz station is turned, then the local oscillator will
have to produce a frequency of
a) 600 KH b) 455KH c) 10.7mHz d) 1355 Hz
Part - II
Note: Answer any fifteen questions.
31. What is a capacitor? Define its capacitance.
32. A sample of HCl gas is placed in an electric field of 2.5 x 104 NC-1.
The dipole moment of each HCl molecule is 3.4 x 10 -30 cm, find
the maximum torque that can act on a molecule.
33. Distinguish between electric power and electric energy.
34. Why is copper wire not suitable for a potentiometer?
35. What is meant by transition temperature in super conductors?
36. Define: Ampere.
48
37. A capacitor blocks D.C but allows A.C why?
38. Write the equation of a 25 cycle current sine wave having rms
value 30A.
39. Write the conditions for sustained interference.
40. In a Young’s experiment, the width of the fringes obtained with
light of wavelength 600Ǻ is 2m.m. Calculate the fringe width if
the entire apparatus is immersed in a liquid of refractive index
1.33.
41. State: Moseley’s law.
42. What are hard and soft X-Rays?
43. At what speed is a particle moving if the mass is equal to three
times its rest mass?
44. What is meant by breeder reactor?
45. What is meant by binding energy of a nucleus?
46. What is Zener breakdown?
47. Differentiate between Linear ICs and Digital ICs.
48. Give the Barkhausen criteria for oscillation.
49. When the negative feedback is applied to an amplifier of gain 50,
the gain after feedback falls to 25. Calculate the feedback gain.
50. What is phase modulation?
Part - III
Note: (i) Answer the question no. 55 compulsorily.
(ii) Answer any six questions of the remaining 11 questions.
(iv) Draw diagrams wherever necessary.
51. Two charges +q and -3q are separated by a distance of 1m. At
what point on its axis is the potential zero?
52. Explain the principle of a potentiometer.
53. Explain the reactions at the electrodes of Lechlanche cell.
54. Deduce an expression for the force on a current carrying
conductor placed in a magnetic field.
55. A coils is connected across 250V, 50Hz power supply and it
draws a current of 2.5 A and consumes power of 400W. Find the
self-inductance and power factor
(or)
A coil of 100 turns and resistance 100Ω is connected in series
with a galvanometer of resistance 100 Ω and the coil is placed in a
magnetic field. If the magnetic flux linked with coil changes from
10-3 Wb to 2 x 10-4 Wb in a time of 0.1s, calculate the induced e.m.f
and current.
56. Explain Huygen’s principle.
57. Derive an expression for Rydberg’s constant.
58. Explain length contraction.
59. A carbon specimen found in a cave contained a fraction of 1/8 of
C14 to that present in a living system. Calculate the approximate
49
age of the specimen. Given T1/2 for 6C14 = 5560 years.
60. Explain the working of a half wave diode rectifier.
61. Describe the different types of wire and cable used in data
communication.
62. Explain Einstein’s theory of photoelectric effect.
Part – IV
Note: (i) Answer any four questions in detail.
(ii) Draw diagrams wherever necessary.
63. Explain the principle of a capacitor. Deduce an expression for the
capacitance of a parallel plate capacitor.
64. Describe the principle, construction and working of a cyclotron.
65. Obtain an expression for the current flowing in the circuit
containing capacitance only to which an alternating e.m.f is
applied. Find the phase relationship between current and
voltage.
66. Discuss the theory of interference in thin transparent film due to
reflected light and obtain the condition for the intensity to be
maximum and minimum.
67. Describe Millikan’s oil drop experiment to determine the charge
of an electron.
68. State radioactive law of disintegration. Obtain an expression to
deduce the amount of the radioactive substance present at any
moment.
69. Describe the energy band structure of insulator, semiconductor
and conductor.
70. With the help of a block diagram, explain Monochrome TV
Transmission.
50
Volume – I INORGANIC
S. No Chapters Max .Questions
1 Atomic structure II 2
2 Periodic classification II 1
3 P-block elements 1
4 D-block elements 2
5 F-block elements 2
6 Co-ordination Chemistry 1
7 Nuclear chemistry 1
8 Solid state II 1
9 Thermodynamics II 2
10 Chemical Equilibrium II 2
11 Chemical kinetics II 1
12 Surface Chemistry 3
13 Electro chemistry I 1
14 Electro chemistry II -
15 Isomerism -
16 Hydroxy derivatives 1
17 Ethers 2
18 Carbonyl compounds 1
19 Carboxylic acids 1
20 Organic Nitrogen Compounds 3
21 Biomolecules 2
22 Chemistry in action -
51
Total 30
Note: There are no one Mark Questions from Electro Chemistry II,
Isomerism and Chemistry in Action.
Chapter – I – ATOMIC STRUCTURE
Total of one mark questions from this chapter is – 2.
Note: Normally one question is from Book Back. (In all the previous March
papers (Mar06, 07, 08, 09&10) Book Back is only being asked.)
Book back questions are also asked in a twisted manner, options might be
interchanged, so be careful while answering.
Refer (Vol. - I) Page 29 & 30.
Q. No OPTIONS YEAR
1 B June 2008
2 C Oct-2007, 08, Mar 06, June-09, 10
3 D June-06 & Oct-2009
4 A Model Paper 2010
5 C Mar 2007
6 B Repeated in Model Papers
7 C Repeated in Model Papers.
8 D Oct 10
9 B Mar 2008,10
10 A July 2007, Mar-09, June 10.
Additional Questions: Total - 36
Hint: Prepare one marks from the following topics: Verification of Wave and Particle character, Significance of De-Broglie equation, De-Broglie waves, Negative Electronic Energy, Shapes of Orbital’s, Molecular Orbital Theory, Hybridization (Refer Pg. No.26-Examples), Hydrogen Bonding.
1. The wave associated with particles is called matter wave.
2. Concept used in the construction of electron microscope is De–
Broglie.
3. Molecular orbital with less energy is σ 1s.
4. Circumference of the circular orbit of an electron should be an
integral multiple of de Broglie wave length.(Oct-2006)
5. The number of nodal planes of 5s orbital is four.
6. Sicl4 is involved in Sp3 hybridisation.
7. Type of hybridisation in NH4+ ions is Sp3.
8. The type of bond present between HF(or) H2O molecule is
intermolecular hydrogen bonding.(Oct-2008)
9. Particle nature of electron can be proved by J. J. Thomson’s
e/m ratio experiment.
10. Uncertainty principle cannot be applied to Stationary Electron.
11. The Number of possible orientation of orbital when l=1 is three.
12. Bond order of Lithium molecule is one.
13. Stability of a molecule is directly proportional to bond order.
14. Sideway overlap of two dx2-y2 Orbitals produces delta bond.
15. The weakest bond is Hydrogen bond.
52
16. Momentum of particle which has de Broglie wavelength of 1A0 is
6.6 x 10 -24 kg ms -1. (Mar-2006)
17. Bond order of N2 molecule is 3. (June-2006)
18. Nature of hybridisation in IF7 molecules is Sp3 d3.(Oct-2006,10)
19. In a molecule 8 electron present in molecular orbital 4 in anti
bonding orbital bond order is 2. (Mar-2008)
20. Water exists in liquid state. This is due to hydrogen bond.(June08)
21. Energy level of molecular orbitals has been determined
experimentally by Spectroscopic studies. (Oct-2007)
22. Hybridization involved in XeF6 is Sp3d3. (June-2007)
23. Intermolecular hydrogen bonding is present in HF, H2O and
Ethanol.(March 2007)
24. Among the halogen acid the weakest acid is HF.(Model Paper –
2008)
25. The hybridisation in SO4 2- ion is Sp3. (Mar 09)
26. Number of spherical nodes in 2S orbital is 1. (June 09)
27. The hybridisation in Co3 2- ion is Sp2. (Oct 09)
28. The factor the decreases the boiling point of a compound is
Chelation.
29. The energy of electron in an atom is given by En = -
30. Wave character of photon can be explained by interference.
31. Particle character of photon can be explained by photo electric
effect.
32. Carbohydrates and proteins have Hydrogen Bonding.
33. Elliptical orbits wave introduced by Sommer field.
34. Hydrogen Bonding exists in Skin, Blood and bones.
35. For ‗s‘ Orbital, how many ‗m‘ values are possible? – One.
36. Energy of Hydrogen in the Second Orbit is – 328 KJ mol-1.
Chapter – 2 PERIODIC CLASSISICATION
Number of one mark questions from this chapter – 1. (Chances of Book Back). Note: Out of the previous 15 Board exam papers (Mar 06- Oct-10), only in March 2008, 1 mark Question was not given from the Book Back, all other 14 papers had only Book Mark questions, So prepare one marks from Book Back itself. Refer Page No. 46 – Vol. I for Book Back.
Q. No OPTIONS YEAR
1 C
2 B Oct 2006, June 2009
3 A June 2006 & June 08
4 A
5 A
6 D
7 B Mar 2009,June 2010
8 B Oct 2008 and Oct 2009
9 A Mar 2007, Model Paper - 2010
10 D
11 C Oct 2010
12 B Mar 2006
53
13 B
14 C Model Paper - 2009
15 C Oct 2007, June 2007, March 2010
Additional Questions: Total 12
Hint: Prepare one mark from Atomic radius, ionic radii, Ionization Energy, Electron
Affinity among elements, Electro Negativity and its applications.
1. As we move from left to right across a period, the atomic radius
Decreases.
2. As we move from left to right across a period, the ionization
energy and electron gain enthalpies Increases.
3. On Moving down the group, the ionization energy and electron
gain enthalpies Decreases. (Oct – 2008)
4. Metal having maximum electron affinity is Gold. (Mar – 2008)
5. Covalent radius values can be used to calculate Bond Length.
6. Unit for Electro negativity is no unit.
7. First Electron Affinity of the Non-metals is positive and second
Electron Affinity of the Non-metals is negative.
8. Formation of the Oxide (or) Sulphate ion has been found to be
Endothermic.
9. Metals have Low electron affinity.
10. Inter-ionic distance is measured by X-Ray Diffraction.
11. Electron Affinity of Zinc is -87 KJ mol-1.
12. Effective Nuclear charge of Na+ is 6.48.
Chapter – 3. p – BLOCK ELEMENTS
Number of 1 mark questions from this chapter is 1. Only 50% chances for Book
Back questions, so prepare one marks from inside the book, as it may come
from any topic.
Q. No OPTIONS YEAR
1 C
2 B
3 C Mar 2007, Mar 2009
4 A
5 B
6 C Oct 2008
7 A June 2009
8 B
9 A
10 C
11 D Oct 2007
12 C
13 D
14 A
15 A
Additional Questions: Total 20
Hint: Prepare one mark from Group 13- Elements, Electronic
Configuration, and Potash Alum. Group 14- Elements, Electronic
54
configurations, Silicones, Lead. Group 15- Elements, Electronic
Configurations. Compounds of phosphorus (structure,
hybridisation, odour, taste and uses.). Group 17- Electronic Configurations, Chemical properties, Anomalous Nature of Fluorine,
Uses of Fluorine, Structure of inter halogen compounds and
hybridisation. Group 18 - Structures of xenon compounds, uses of
noble gases etc.
1. The Metalloid among Pb, P, Ge, Sn is GE. (June 2006)
2. Which of the following does not belong to Group 14 - C, Si, Ga,
Pb, - Ga. (June 2007)
3. Tetra Ethyl Lead (Pb (C2H5)4) is used as an additive to petrol to
prevent knocking.
4. Potash alum is employed to arrest bleeding. (June-2008)
5. Electronic configuration of 14th group elements (or) carbon family
is ns2np2. (Mar-06)
6. He is used in the inflating aero plane tyres.
7. Souring agent in the preparation of soft drink is H3 PO4.
8. Compound with rotten fish odour is PH3.
9. H3PO3 has Garlic taste.
10. Oxygen-helium mixture is used in the treatment of Asthma.
(Model Paper 2008)
11. Mixture used by deep sea diver is He-O2.
12. Na F prevents dental cavities and Fermentation.
13. CaF2 used as flux in Metallurgy.
14. Shape of IF7 Pentagonal bi pyramidal.
15. Gas used in lamps of botanical gardens to stimulate the growth of
the plants is Neon.
16. Water repellent property is possessed by Silicone.
17. Radon element used in radiotherapy for treatment of cancer.
18. Toxic element of boron family is Thallium. (Oct 2006)
19. HF has property of etching on glass. (Mar 2008)
20. An element which belongs to group 14 is soft in nature does not
react with pure water, but dissolves in water containing dissolved
air. Then the element is Pb. (Oct-2009)
Chapters - 4 d – BLOCK ELEMENTS
Number of one Mark Questions from this chapter is 2. Normally one question from Book Back, even in all previous March question papers (Mar06-10) only Book Back were asked. Refer Page No. 104-106 in Vol. I. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.
Q. No OPTIONS YEAR
1 D
2 B Oct 2010
3 B Model Paper 2009
4 A
5 B Oct 2008,July 2009,June 2010
6 C Mar 2008
7 C
8 A Oct 2009
9 D
10 D
11 C
12 B
55
13 D Mar 2006
14 D Mar 2009,Model Paper 2010
15 B
16 A
17 D
18 D June 2008
19 C
20 D
21 D
22 A Mar 2007,Jube 2010
23 B
24 B June 06, Model Paper 2008
25 A Mar 06, June 07
26 C June 06, Mar 10
Additional Questions: Total - 39
Hint: Prepare one mark questions from inside the book carefully, see topics like “Salient
Features of Oxidation State, Extraction , Properties and Uses of Cu, Cr, Zn, Ag, Au,
Properties and uses of CuSO4, AgNO3, ZnCO3, Purple of Cassius.
1. If the Magnetic moment value is 5.92 BM, The number of
unpaired electrons is 5.
2. The electrolyte used in chrome plating is Chromic acid and
sulphuric acid.
3. Philosopher‘s wool is ZnO.
4. Marking inks and hair dyes can be prepared from AgNO3 (Lunar
caustic).
5. Orange red vapour formed in chromyl chloride test is CrO2Cl2.
6. Purple of cassias is Au adsorbed in Sn (OH) 4.
7. Catalyst used in the manufacture of polythene is TiCl4 (Oct-08)
8. Bordeaux mixture is a mixture of Copper Sulphate and lime.
(Mar 2007)
9. 4d series ends with Cd (cadmium).
10. Number of unpaired electron in Fe+3 ion is 5.
11. Role of aluminum in aluminothermy process is reducing agent.
12. Silver coin contains Ag and Cu.
13. Aquaregia is 3 parts of conc.HCL +1 part of conc.HNO3.
14. Colour of cuprous iodide is white.
15. Compound used in ointment for Skin disease is ZnCo3 (Calamine).
16. Zinc metal is used in galvanizing iron sheets. (Oct-2006)
17. Silver amalgam is employed in dental filling. (Model Paper – 08)
18. Silver obtained from silver coins is purified by fusion with Borax.
19. The number of unpaired electrons in Ti3+ is 1. It magnetic
moment in BM is 1.732. (June-2008)
20. The colour of Purple of cassius is Purple. (Oct-2007)
21. Ferrochrome is an alloy of Fe, Cr. (Oct-2007)
22. K2Cr2O7 reacts with KI and dil. H2 SO4 and 1iberates I2. (July-07)
23. A metal which precipitates gold from its auro-cyanide complex is
Zinc (Mar-09)
24. The reagent which is added first in the separation of silver from
silver coin is conc. nitric acid. (July-2009)
25. The substance used in malting ruby red glass and high class
pottery is purple of cassius. (Oct -2009)
26. Ti 3+ ions have purple colour.
56
27. On adding an alkali to a solution of potassium dichromate it is
converted into potassium chromate.
28. The colour of copper ammonium sulphate is deep blue.
29. Spitting of silver can be prevented by coating the molten metal
with a layer of charcoal. (Mar 2010)
30. In chrome plating, the articles are first plated with nickel.
31. The general electronic configuration of d-Block elements is
(n-1) d1-10 ns1-2.
32. The most malleable and ductile metal is Gold.
33. Ferrochrome is used in the manufacture of chrome steel, burglar
proof safe.
34. Sodium Chromite can be converted into Cr2O3 to the treatment
with H2O.
35. In the first transition series, which one exhibits maximum no. of
oxidation states is Mn.
36. Sc3+ is colorless due to the absence of d-electrons.
37. Zn-Cu couple when treated with steam gives ZnO+H2.
38. Reason for complex formation in d-Block element is small size,
high positive charge density, presence of vacant d-Orbitals.
39. Chromo Nickel Steel is used for armour plates.
Chapter –5. f – BLOCK ELEMENTS
Number of one mark from this chapter is 2. (Normally one question from Book
Back has been asked in all previous March board question papers (Mar 06-10).
Refer text book Page No.113-114 in Vol. I.
Q. No OPTIONS YEAR
1 C
2 D
3 C
4 C June 2008
5 B
6 D March 2006
7 B Mar 2010. Model Paper 2010
8 C
9 B June 2007, Mar 2007 & Oct 2010
10 A June 08, Mar 2008, Oct 07, Oct 2009& Jun 2010
11 B Model paper – 2008
12 B June 06, Oct 07 & Oct 2010
13 D Oct 2008, March 2009
14 C Model paper 2009
Additional Questions: Total 16
Hint: Prepare one marks from the topics: Electronic Configuration, Oxidation state, Cause and consequences of Lanthanides and Actinide series, Monazite sand, similarities and difference between Lanthanides and Actinides. Uses of Lanthanides and Actinides.
1. The fuel in nuclear power plant is U-235.
2. Pyrophoric alloy is used in cigarette lighters. 3. Promethium element in lanthanides is radioactive.(Mar 07, June
07,2006 & Mar 2009)
4. Pu-238 is used as a power source in long mission space probes. (Mar 2006,2010 & Oct 2006)
5. The colour of UO2 2+ is yellow. 6. Among lanthanide elements, with the increase in atomic number
the tendency to act as reducing agent decreases. (Oct -2006)
57
7. Cause of actinide concentration is imperfect shielding of 5f
electron.
8. Common oxidation state of actinides is +4. (Mar - 2008)
9. Thoria (ThO2) is used in gas lamp materials. (Oct – 2008)
10. +6 is the oxidation state of U in UF6 (June 2009)
11. According to Fajan‘s rule decrease in size of Ln3+ ion Ln (OH)3
increases the covalent character. (Oct – 2009)
12. The colour of U4+ is green 13. The colour of U3+ is red
14. The isotope of which element is used in nuclear fission reaction?
Uranium. (June 2010)
15. Lutetium has no partly filled 4f subshell. 16. 30% Mish metals + Mg + 1%Zr are useful in making parts of jet
engines.
Chapter – 6 Co-Ordination Compounds Number of one mark questions from this chapter 1 (Normally less chances for
Book Back.) Book back questions are also asked in a twisted manner, options
might be interchanged, so be careful while answering.
Q. No OPTIONS YEAR
1 A
2 D
3 C
4 D Oct 2008,Mar 2007
5 C Oct 2010
6 C
7 A
8 B Oct 2009
9 C June 2006
10 A Mar 2008,Mar 2010, Model Paper 2010
11 B Jun 2007, Oct 2007
12 B June 2009
13 A
14 D
15 A
16 C Model Paper 2008
17 D
18 B
Additional Questions: Total 14
Hint: Prepare one marks from the topics: Types of Ligands, IUPAC rules, mentioning the name of a complex, IUPAC Name, Oxidation state, electronic configuration, coordination number, structure. Central metal ion for that complex. Types of Isomerism, VB Theory, Uses of Coordination compounds, Bio-coordination compounds.
1. The colour of the pigment copper pthalocyanine is blue.
2. Iron porphyrin complex acts as an oxygen carrier.
3. Anti tumor drug is Cis-pt (NH3)2 Cl2
4. Cis trans isomerism is possible in square planar complexes
5. EDTA is example for masking agent in complex metric titration.
6. The complex used for electron transfer is ferredoxin
7. Transport and storage of oxygen is the function of Hemoglobin
8. [Cu (NH3)4] Cl2 is cationic complex (Oct 2006, Mar 2009)
9. The type of isomerism found in the complexes [Pt(NH3)4] (CuCl4)
and [Cu(NH3)4 (PtCl4) is Co-ordination isomerism (Mar 2006)
58
10. Co-ordination number of CrIII in [Cr (H20)4 Cl2]Cl2.2H2O is 6. (June 2008)
11. The ligand No3- is named as nitrato.
12. An example of a bidentate ligand is en. (June 2010)
13. The magnetic moment of a complex is 3.87BM. Then the number
of unpaired electrons present is 3.
14. The maximum number of Cis-position in a octahedral complex is
12.
Chapter –7. Nuclear chemistry Number of one marks from this chapter is 1. (Less chances for book back).
Normally problems based questions has more chances to come, so see text book
example problems for one marks. Q.No: 1,2,3,5,9,10 (Page No: 144-147 in Vol.I)
Q. No OPTIONS YEAR
1 C
2 C Oct 2009
3 D
4 A Oct 2007, June 2006, Mar 2009,Oct 2010
5 D June 2008
6 C Mar 2007, June 2010, Model paper 2010.
7 A
8 A
9 C Oct 2006, June 2009
10 D Model Paper 2009
Additional Questions: Total 17
Hint: Prepare one mark based on average life, Radioactive decay series, radiocarbon dating, uses of radioactive isotopes; complete the following nuclear reactions in Q. No: 20, 29, 33, 34 (refer text book page 149 and 150 in Vol.I).
1. Uranium belongs to the series 4n+2.
2. Hydrogen bomb is based on nuclear fusion. 3. Age of animal fossils can be determined using 6C14.
4. After 24 hrs, 0.125g of the initial quantity at 1g of a radio active
isotope is left out. The half life period is 8 hrs. (Mar-2006)
5. P-32 used for detection of eye tumours.
6. Au- 198 used as curing cancer. 7. Fe- 59 used diagnosis of anaemia.
8. Atom bomb is based on nuclear fission.
9. Co-60 is used to the treatment of cancer. 10. Level of liquids in tanks can be known using Sr -90.
11. Principle used in nuclear reactor is nuclear fission. (Model Paper –
2008)
12. In nuclear reaction atomic number and mass number is balanced
on both sides. (Mar-2008)
13. When N-15 is bombarded with a proton it gives 6C12 and -
particle. (June07)
14. Half-Life period of a radioactive element is 1050 years. The value
of disintegration constant in terms of seconds is 0.1465x10-10
sec-1. (Oct 2008)
15. Half-Life period of a radioactive element is 100 seconds; its
average life period is 144 seconds. (Mar 2010.
16. Half-Life period of U238 is 140 days; its average life is 202.02
days.
17. The average life of a particular decay is 144 hours, then its half-
life period is 100 hours.
59
Chapter -8. SOLID STATE
Number of one mark from this chapter is 1 (Out of the previous 15 Board exam papers, Only in Mar 2007, 10 and June 2009 one mark questions were not given from book back self evaluation)
Q. No OPTIONS YEAR
1 C
2 D
3 B Model Paper - 2008
4 C
5 D Oct 2006
6 B
7 B June 2006, Model Paper - 209
8 D June 2008
9 D Mar 2009
10 C
11 C Mar 2006, July 2007,Oct 2010
12 C
13 B Oct 2007, Oct 2009, June 2010
14 A
15 D
16 D Mar 2008, 0ct 2008
Additional Questions: Total 18
Hint: Prepare one mark from the topics: Types of cubic system, Laue experiment, Bragg’s equation & Spectrometer, Types of crystals & Point defect. Glasses problem based questions are also possible. Refer Vol.I Page no.: 163, solved problems 3&4 (Repeated in model papers)
1. An ion leaves its regular site and occupies a position in the space
between the lattice sites. This defect is called Frenkel defect. (Mar -2007)
2. Crystal used in Laue experiment is ZnS.
3. Diamond is an example for covalent crystal.
4. Vanderwaals forces are present in molecular crystals.
5. Lattice vacancies are called as unoccupied points in a crystal.
6. Imperfection due to unoccupied lattice points in crystal is called
Schottky defect.
7. FeO and FeS show metal deficiency defect.
8. Pure Si and Ge is insulator at room temperature.
9. Glasses are considered as amorphous solids, super cooled
liquid (or) pseudo solids
10. Most common point defects are Schottky defect and Frenkel
defect.
11. Example for molecular crystal (or) dipole-dipole forces occur in
water (ice).
12. NaCl heated in sodium vapour acquires yellow colour due to
metal excess defect.
13. The size of the anion in Frenkel‘s defect crystal is larger than the
Cation. (June-2009)
14. Total number of atoms per unit cell of Edge centered is 4.
15. Number of ruling required for X-rays diffraction experiment is 40
million ruling per cm.
16. The 8:8 type of packing is present in CsCℓ. (Model Paper 2010)
17. The co-ordination number of ZnS is 4. (March 2010)
18. An example for Frenkel defect, Other than AgBr is AgCl.
60
Chapter – 9. THERMO DYNAMICS
Number of one mark from this chapter is 2. In all March question papers (March 06 to March 10 one question was from book back only). Refer page no. 179, 180 in Vol. I
Q. No OPTIONS YEAR
1 B March2007,June2006,Model paper 2008
2 D March2009,Oct 2010
3 B
4 A Mar 2007, June 2007 & June 2009
5 A June-06, Oct-07, Mar-08, Oct-08
6 A March2006,Mar 2010, Model Paper 2009
7 C Oct 2009
8 B Oct 2006, June 2008 & June 2009
9 D Oct 2006 & Oct 2007
Additional Questions: Total 20
Hint: Problems based questions has more chances to come, so see text book example problems for one mark. Example 1 (Vol.I - Pg. No.170), Example 2 (Repeated), 3 (Repeated), 4, 7(Vol.I - Pg. No.: 172-174). Example 10, 11(Repeated) (Vol.I - Pg. No.:178). Exercise problems: Vol.I - Pg. No.: 180,182 – Q.No. – 18, 19(Repeated), 20, 21, 25, 27, 28(Repeated), 30.
Prepare one marks from the topics: Efficiency, Entropy (Characteristics, Unit, And Standard Entropy), Gibbs free energy (Characteristics. Standard Free energy).
1. Entropy of vaporization of a liquid is equal to 21 Cal deg-1 mol-1.
2. Liquid helium does not obey Trouton‘s rule because its boiling
point is little above zero Kelvin
3. High ΔH vap. of water is due to H-bonding
4. SI unit of entropy is JK-1 mol-1
5. Enthalpy of Vap. of water is 40.85 Jk mol-1. Change in entropy of
the process is 109.5 J mol-1 K-1
6. Change of increase in entropy for the process H2O (ℓ) → H2O (vap.)
involving ΔH vap. = 40850 J mol-1 at 373 k is 109.52 J mol-1 K-1.
(Mar-06, Oct -08,10)
7. Entropy (S) and entropy change (Δs) of a process are state
function. (Mar-2008)
8. The entropy change involved in the process of H2O (s) → H2O (ℓ) at
0°C and 1 atom pressure involving ΔH fusion = 6008J mol-1 is
22.007J mol k-1. (June-2007)
9. Water → steam. In this process the entropy is H2O (ℓ) → H2O (g)
increases. (June-2008)
10. The percentage efficiency of a heat engine that operates between
127˚C and 270˚C is 25%. (Mar-2009)
11. The network obtained from a system is given by w-p∆v (Oct-2009)
12. When a solid melts Entropy increases.(Model Paper 2008)
13. By the second law of Thermodynamics the percentage efficiency of
a machine (or) heat engine is always < 100 (or) less than 100.
14. S universe = S system + S surroundings.
15. ∆H, the heat of combustion of a compound is negative.
16. Thermodynamic condition for irreversible spontaneous process at
constant T and P is ∆G<0. (March 2010)
61
17. ∆S is a State function.(June 2010)
18. Standard free energies of formation of elements are taken as zero.
(June 2010)
19. s=q is valid only for reversible process.
20. ―Natural process‖ is called as spontaneous process.
Chapter- 10. CHEMICAL EQUILIBRIUM
Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was only from book back.
Refer Page no.: 193-104 in Vol.I.
Q. No OPTIONS YEAR
1 A March 2008, June 2008, June 2010
2 B Oct 2006, 10, Mar 09
3 C Mar 07, Oct 08, June 09
4 D Mar 10, Oct 09
5 B Mar 2006, June 2006 & Mar 2009
6 A Repeated in model papers
7 A June 2007, Model Paper 2009.
Additional Questions: Total 17 Hint: Problem also possible, Refer Vol.I example problems in page no. 188(HI), 190(PCl5) (Repeated in Model Papers). Prepare one mark questions from the topics:
Relationship between Kp and Kc, formation of HI and Dissociation on PCL5, Haber’s and contact process. Pressure, optimum temperature, yield based questions
1. When Δng in a homogenous gaseous equilibrium is positive then
Kp > Kc. (Oct 2006,10, June 2010)
2. Optimum temp. range maintained in contact process is 400°C to
450°C. (Oct 2008)
3. For equilibrium 2H2O (g) + 2Cl2 (g) 4HCl (g) +5 O2 (g). the value
of KP and KC are related as Kp > Kc. (Mar 2006)
4. In equilibrium constant for the formation of a product is 25. The
equilibrium constant for decomposition of the same product
1/25. (June 2006)
5. In formation of HI. KC value is 16. KP value is also 16. (June 2008)
6. Maximum yield of ammonia by Haber‘s process is 37%. (June 07)
7. In a reaction 2O3 3O2 KC value is [O2]3 / [O3]2. (Oct 2007)
8. Synthesis of NH3 between N2 and H2 reaction KP unit is atm-2
(Oct 2007)
9. The rate constant of the forward and reverse reaction are 8 x 10-5
and 2 x 10-4 respectively. The value of KC is 0.4. (Oct 2009)
10. The degree of dissociation of PCL5 at 1 atm and 298 k is 0.2. The
value of KP is 0.042 atm.
11. The initial concentration of H2, I2, and HI are 0.1, 0.1, and 0.02
moles respectively. The value of Q is 0.04
12. The molar concentration of a gas at 300k is I mol dm-3 then its
partial pressure is 24.63 atm.
13. In Haber‘s process, ∆ng value is negative. (Mar 2008)
14. In Haber‘s process the yield of ammonia is greater at high
pressure. (June 2009).
15. Kc for the reaction 2A↔B is 25 mol-1 dm3 at 900K. What is the
equilibrium constant for the reaction B↔2A in dm-3 mol at the
same temperature? 0.04.(Mar 2010)
16. When 4 is greater than Kc, the reaction will be forward reaction.
(Model paper – 2008)
17. What is the pressure involved in the synthesis of ammonia by
Haber‘s process? 300-500 atm. Pressure (Model Paper 2010)
62
Chapter-11. CHEMICAL KINETICS
Number of one mark from this chapter is 1. Less chances for book back questions.
Q. No OPTIONS YEAR 1 C June 2007,Mar 2010
2 B
3 D Mar 2009,June 2010
4 C
5 D
6 B Oct 2007, June 2009
7 B Oct 2009,Model paper 2008
8 C June 2006
9 B Oct 2010
10 C
11 A Mar 2006,Model paper 2009
Additional Questions: Total 20
Hint: Problem based one mark Questions has more chances. Problems based on
First order and Half life period. Refer Vol.II Example problem in page no.:
8,9,10 (Repeated questions). Prepare one marks from the topics: Rate, Order,
Characteristics of order of a reaction, characteristics of first order reactions,
Examples of first order reactions, Arrhenius equation, Activation energy, simple
and complex reaction and types of complex reactions.
1. Unit for activation energy is J mol-1.
2. The minimum amount of Energy needed to make all the collision
effective is Threshold energy.
3. First order rate constant of a reaction is 0.0693 min-1. Then the
time required for 50% completion of a reaction is 10 min. (Oct 06)
4. Decomposition of N2 O5 in CCl4 is an example for 1st order
reaction. (Oct 2008)
5. Half - life period of a first order reaction is 20 min. the time taken
for the completion of 99.9% of the reaction is 200 min. (Mar -08)
6. In 1st order reaction the concentration of the reactant is increased
by 2 times. The rate of the reaction is increased by 2 times.(June
2008)
7. 50% of 1st order reaction completed in 20 min. the time required
for 75% of completion is 40 min. (Mar 2007)
8. If the rate of the reaction is independent of initial concentration of
the reactant, then it is a zero order reaction.
9. All radio active transformations follows first order kinetics.
10. The rate constant for first order reaction is 200S-1. The half-life
period of the reaction is 3.47 x 10-3S.
11. The time required for 75% completion of first order reaction is
9.hrs. The half-life period of the reaction is 4.5 hrs.
12. The time required for 90% completion of first order reaction is
10.hrs. Then the time required for 99% completion of the reaction
is 20 hrs.
13. The half-life period of a first order reaction is 30 min. Then the
time required for 99% completion of the reaction is 3.33 hrs.
14. The half-life period of a first order reaction is 1 hrs. The time
required for 75% completion of the reaction is 2 hrs.
15. The conversion reaction of cyclopropane into propene is an
example of opposing reactions.
63
16. Simple reaction occurs in single step.
17. Higher the value of Ea, slower is the rate of reaction.
18. Half life period of a first order reaction is independent of the
initial concentration of the reactant and inversely proportional to
the rate constant of the reaction.
19. Decomposition of Sulphuryl Chloride in the gas phase proceeds
by first order kinetics.
20. Inversion of sucrose in acidic medium is an example for first
order reaction.
Chapter–12. SURFACE CHEMISTRY
Number of one mark from this chapter is 3. In all the previous March question papers (March 06 to March 10), one question was only from book back.
Refer Pg. No.:43-44 in Vol.II.
Q. No OPTIONS YEAR
1 D Oct 2010, Model Paper 2009
2 D June2008
3 B March2007 & Oct2008
4 C June 2006, Oct 2007, June 2009
5 B March2008,2010
6 A Oct 2006&2010, Mar 2007, Mar 2009
7 D June 2007, Oct 2006, June 2008
8 A
9 C
10 C
11 B Mar 2006,June 2010, Model paper 2009
12 C Mar 2007,2008&2010, Oct 2008& 2009
Additional Questions: Total 42
Hint: Prepare one marks from Adsorption, Difference between Physical and
chemical adsorption, Factors affecting adsorption, characteristics of catalytic
reactions, types of catalytic reactions, types of catalysts, theories of catalysis,
applications of catalysts, (Pg. No.:31), types of colloids (important) Refer Pg.
No.:32 table, preparation of colloids, purification of sols, properties of colloids,
application of colloids-1) Natural Applications, 2) Technical applications.
1. The Catalyst used for the decomposition of KCl03 MnO2.
2. Iron Catalyst used in Haber‘s process is poisoned by H2S. (Mar 06)
3. Promoter used for the Bosch‘s process is Cr2O3.
4. Bergius process is used for the Synthesis of petrol from coal.
5. Haze is an example of solid dispensed in gas.
6. An example of foams is froths of air.
7. Sky looks like blue due to scattering of light. (June 2010)
8. Gold chloride can converted into colloidal gold using tannic acid
and formaldehyde.
9. Sulphur in water is an example for Lyophobic colloid.(Model
Paper 2010)
10. Delta is formed because of coagulation of colloid.
11. Cottrell precipitator is used for the precipitation of dust in
smoke. 12. An example for (gel or liquid in solid) type of colloid is curd.
(June 2006 & Mar 2006)
13. Argyrols is used as eye lotion.
14. Emulsion can be diluted using dispersion medium.
64
15. Cork is an example for solid form.
16. Printing inks can be prepared by using colloidal mill.
17. Smoke is a colloidal solution of solid in gas. (Oct - 2006)
18. Catalytic activity of a powdered catalyst is high because it has
large number of active sties. (Model Paper – 2008)
19. An example of Lyophobic colloid is starch. (Oct - 2008)
20. Coconut charcoal has great capacity of the adsorption of gases.
(Oct -07)
21. Emulsifying is used for stabilization of an emulsion. (Oct -2007)
22. De composition of hydrogen peroxide is retarded in the presence
of glycerine. (June 2006, Oct -2009)
23. Sol comes under solid - liquid type of colloid. (June-2007,Oct
2010)
24. The Platinum catalyst used in the oxidation of SO2 by contact
process is poisoned by AS2O3. (June-2007)
25. The function FeCl3 in the conversion of Fe(OH)3 precipitate into a
colloid is peptising agent. (June-2008)
26. The emulsifying agent used in O/W emulsion is protein. (Oct -
2009)
27. Catalyst used in Deacon‘s method of manufacture of chlorine is
CuCl2. (June-2009)
28. Argyrols is a colloidal silver (or) silver sol. (June-2009)
29. The blue colour of the sky is due to Tyndall effect. (Mar-2009)
30. Fe(OH)3 colloidal particles absorb Fe3+ ions.
31. In Haber‘s process the promoter used is molybdenum.
32. Chemical adsorption is irreversible in nature
33. Solute or gas which is held in the surface of the solid is known as
adsorbate.
34. Excess of bleeding from a wound is stopped by forming a clot due
to the styptic action of Alum and FeCl3.
35. Arsenic Sulphide sol is prepared by Double Decomposition.
36. Ferric Oxide is used as a catalyst for both Bosch‘s and Bergin‘s
process
37. Milk of Magnesia colloid is used for stomach disorder (Mar-2010)
38. Colloidal antimony is used in caring Kala azar.
39. Gold sol and Silver sol is obtained by reduction method
40. Oxidation of Sodium Sulphite by air is retarded by alcohol.
41. Ag, Pt, and Au metal sols can be prepared by Bredig‘s Arc
method. 42. Reaction between Oxalic acid and Potassium Permanganate, in
the presence of dil.H2SO4 , MnSO4 acts as a auto catalyst (Mar-2010,June-2010)
Chapter– 13. ELECTRO CHEMISTRY
Number of one mark from this chapter is 1. Less chances for book back
questions.
Q. No OPTIONS YEAR
1 C
2 B
3 C Mar 2006, Oct 2007
4 C Mar 2009
5 B Repeated in Model Papers
65
6 B June 200, Repeated in Model Papers
7 B Oct 2006, Oct 2009, June 2009
8 B
9 B
10 A Mar 2010
11 D
12 A Oct 2008
13 B Mar 2008, Oct 2010
14 C June 2010
15 A
16 A
17 C Model Paper 2010
18 B June 2006
Additional Questions: Total 22
Hint: Problems are also possible, Refer example problems: 1(Page No.:55), 4(Pg. No.:56), Example 1 and 3 in Page No.:60, Example 4 (Page No.:62), Example 3 and 4 (Page No.:68), Example 1 & 2 in Page no.:72&73. Solved Problems 1, 2,3,6,7,8,10 in Page No.:80,83. (All the above mentioned problems are repeated questions in model papers.)
Also prepare on mark from the topics: Semiconductors, Evidence of Arrhenius Theory, Ostwald Dilution law, electrochemical equivalent, electrical conductance (Unit). Calculate pH based problems, Henderson equation and selection of pH.
1. The Colour of nickel salts is green.
2. pH of 0.05M KOH solution is 12 + log10 5.
3. pH of 0.1M H2SO4 is 0.6990.
4. Quantity of Electricity carried by one mole of electrons is 96495c.
5. The indicator used in the titration of NH4OH with HCl is methyl
orange. (Mar 2007)
6. If 0.2amp can deposit 0.1978g of cooper in 50min. How much of
cu will be deposited by 600 coulombs 0.1978g. (June 2007)
7. The PkW value at 298k is 14.
8. The colour of sodium chromate is yellow.
9. Unit of molar conductance is Ohm-1 m2 mol-1.
10. Benzene and Carbon Tetra Chloride is an example of insulator.
11. For 1:1 electrolyte like NaCl equivalent conductance is equal to
molar conductance.
12. Unit of self conductance is Ohm-1 m-1.
13. Quantity of electricity = n x F.
14. For strong electrolytes, Debye, Huckel-Onsager equation can be
applied.
15. Enthalpy of neutralization of strong acid by strong base is equal
to -57.32 KJ mol-1.
16. Charge of an electron is 1.602 x 10-19 coulomb.
17. Semiconductor which exhibits conductivity due to the flow of
excess of negative electrons is called as n-type semiconductors.
18. For the titration of HCl Vs Na2CO3, the suitable indicator in
Methyl orange
19. NH4OH obeys Ostwald dilution law.
20. pH of pure water at 25oC is 7.
21. Ph range of phenolphthalein is 8.3-10.
22. Unit of cell constant in m-1.
Note: There are no one mark questions from Chapter 14 and 15 according to Blue
Print.
66
Chapter-16. HYDROXY DERIVATIVES
Number of one mark from this chapter is 1. Chance for Book back questions. Refer Page No.: 167-169 in Vol.II.
Q. No OPTIONS YEAR 1 C
2 C
3 B Oct 2010
4 B
5 A
6 C
7 A
8 B June 2009
9 D Mar 2007, June 2007, Oct 2007,Mar 2010 10 C
11 D
12 C
13 B
14 A Model Paper- 2009 15 D Oct 2009
16 C Mar 2008 17 C
18 B June 2006 19 C Model Paper 2008
20 C
21 D
22 C
23 A Oct 2008,June 2010
24 B Mar 2009
25 B June 2008
Additional Questions: Total 29
Hint: Prepare one mark from Lucas test, oxidation, Chlorine water, Iodoform test, Victor Meyer’s test, Uses of ethanol, Propertius of glycerol (Dacron, Dioxan), Uses of glycol, Properties of glycerol (Dehydration, oxalic acid, oxidation), uses of glycerol and benzyl alcohol, classification of phenols, preparation of phenol, naming reactions, uses of phenol.
1. Lucas regent is a mixture of conc. HCl + anhydrous Zncl2
2. Ethylene glycol reacts with conc. HNO3 in the presence of conc.
H2SO4 to give ethylene dinitrate
3. Fenton‘s reagent is FeSO4 + H2 O2
4. Dynamite is prepared from glycerol
5. Common name for 4 Hydroxy toulene is P-cresol
6. High boiling point of phenol due to inter molecular hydrogen
bonding
7. Victor Meyer‘s test gives red colour with ethanol
8. Tertiary alcohol do not undergo reaction with chlorine water
because of absence of alpha-hydrogen
9. Oxidation of glycerol using bismuth nitrate gives meso oxalic
acid. (Mar 2006)
10. Orcinol is an example for dihydric phenol
11. Lederer manasse reaction phenol is converted into P-Hydroxy
Phenyl methanol.
12. Glycerose is a mixture of glyceraldehydes and di hydroxyl
acetone
13. Characteristic odour of lower phenols is carbolic acid (Oct 2006)
14. The reagent used for causing Decarboxylation is soda lime
15. Dacron is prepared by terephthalic acid + ethylene glycol
67
16. The product obtained when ethylene glycol reacts with conc.
H2SO4 is dioxane
17. When glycerol is heated with KHSO4 or P2O5 the product obtained
is acrolein 18. Benzyl alcohol is used as local anesthetic and antiseptic.
19. Benzyl acetate has the fragrance of Jasmine
20. Phenol gives violet colour with neutral FeCl3
21. Phenolphthalein is prepared from Phenol + Phthalic anhydride
22. Dow‘s process is used for the preparation of Phenol.
23. Glycerol reacts with oxalic acid at 533K to give Allyl Alcohol. 24. Propylene when treated with dil.H2SO4 gives Iso Proplyl Alcohol.
25. Na + C2H5OH is a reducing agent used in Bouveault Blanc
reduction.
26. Phenol with 5% water is known as carbolic acid.
27. Phenol is used as an antiseptic and germicide.
28. Cumene is 2-Phenyl Propane.
29. Iso Propyl alcohol gives blue colour in Victor Meyer test.
Chapter-17. ETHERS
Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.
Refer Page No.: 192-193 in Vol.II. .)
Q. No OPTIONS YEAR
1 B
2 C Mar 2010
3 A March 2009
4 D Oct 2006, June-08
5 C Mar 06& 07, June 07, Oct 07& 10
6 B Model Paper - 2009
7 B Oct 2008, Oct 2009
8 D June 2009
9 A Mar 2008, June 06
10 B Mar 2008, June 2010
Additional Questions: Total 29
Hint: Prepare one mark questions from preparation, properties and uses if
diethyl ether. Anisole - properties & uses. Difference between anisole and
diethyl ether.
1. Metamerism is exhibited by ethers.
2. William son‘s synthesis involves healing alkyl halides with
Sodium alkoxide.
3. Ethers should never be evaporated to dryness because they form
explosive peroxides. (June 2010)
4. Ethers, when dissolved in conc.H2 So4 gives oxonium salts (or)
diethyl oxonium hydrogen sulphate.
5. Reagent used to distinguish anisole and phenol is Bromine
water.
6. Ether do not react with CH3COOH, NaOH, Na.
7. Diethyl ether is inflammable.
68
8. Compound mixed with ethanol to serve as substitute for petrol is
ethoxy ethane. (Mar 2006)
9. Isomerism exhibited by 1 propanol and methoxy ethane is
functional. (June 2006)
10. Number of ether isomers possible for C4 H10 o is 3. (June 2008)
11. Ether used in perfumery is methyl phenyl ether.
(June 2007 & Oct 2009)
12. CH3-O-C6H5 is example for unsymmetrical ether. (Oct 2007)
13. Diethyl ether react with excess of HI to from ethyl iodide +
water.
14. Anisole on bromination gives O- and P- bromo anisole. (Mar-09)
15. Diethyl ether react with PCl5 to from ethyl chloride + POCl3.
16. Diethyl ether cannot be prepared by reaction of halogenated
ether with strong Grignard reagent.
17. In the formation of oxonium salt when ethereal oxygen reacts
with strong mineral acid is called protonation. (June 2009)
18. IUPAC name of phenatole is Ethoxy Benzene. (Mar 10)
19. Higher ethers can be prepared from lower members by the action
of Grignard reagent. (Oct 10)
20. Anisole and Phenatole is an example for mixed ethers.
21. IUPAC name for methyl isopropyl ether is 2-methoxy propane.
22. Lower members of ethers are gases.
23. Ethers are lighter than water.
24. Functional Isomerism of Ethyl Methyl Ether is Propyl Alcohol.
25. Zeisel‘s method of detection and estimation of alkoxy group in
alkaloides involves the reaction of ether with HI. (Mar 07)
Chapter-18. CARBONYL COMPOUNDS
Number of one mark from this chapter is 1. In all the previous March question papers (March 06 to March 10), question was asked only from book back.
Refer page No.:232-234 in Vol.II.
Q. No OPTIONS YEAR
1 B
2 B Oct 2007, 2009, Mar 2007, June 2010
3 C
4 B
5 D June 2009
6 B Model Paper 2010
7 C
8 A
9 B Mar 2009, June 2008
10 B Oct 2006
11 D Mar 2008
12 C June 2007
13 D
14 C Mar 2006
15 B
69
16 C
17 B
18 A
19 B June 2006
20 C June 2008
21 A
22 D
23 A Mar 2010
24 C Oct 2010
25 B
Additional Questions: Total 20
Hint: Prepare one mark from these topics: Isomerism of Aldehydes, Ketones,
Dry distillation, Rosemund’s reduction, Stephen’s reaction, characteristics of
Aldol condensation, Grignard addition, Addition of ammonia, LiAlH4,
Clemmenson, Wolff-Krishner, Tollen’s and Felling’s, Polymerization, Uses of
Formaldehyde and acetaldehyde, Cannizaro reaction, Benzoin condensation,
Perkins, Knoevenagal, Malachite green, Uses of benzaldegyde and Acetone,
Mestiylene, Benzhydrol, uses of Acetophenone.
1. Chloral belongs to a group of Aldehyde.
2. – hydrogen undergo Cannizaro reaction.
3. Derivatives of ammonia acts as nucleophile.
4. Oil of bitter almonds is Benzaldehyde.
5. Formalin is 40% solution of HCHO in water.
6. Original pink colour of Schiff‘s reagent is made colour less using SO2
7. Fehling‘s solution is CUSO4 + sodium potassium tart rate.
8. Knoevenagal reaction leads to the formation of cinnamic acid.
9. Medicine for throat infection is tincture Benzoin.
10. Paraldehyde is used as hypnotic.
11. Benzaldehyde is used in the preparation of Malachite green.
12. Benzoin condensation is carried out in the presence of aqueous
alcoholic KCN.
13. The compound used as hypnotic under the name hypnone is
Acetophenone.
14. Acetone on treating with Lithium aluminum hydride gives iso
propyl alcohol.
15. The intermediate formed in the Wolff – Kishner reduction is
Hydrazones.
16. Stephen‘s reaction of methyl cyanide gives acetaldehyde.
17. Propanone is usually characterized by Iodoform test. (Oct -2008)
18. Compound which undergoes Iodoform test is e-pentanone. (June
09)
19. DiPhenyl Carbinol is known as Bezyhydrol.
70
20. Acetone is used in the manufacture of cordite.
Chapter-19. CARBOXYLIC ACID
Number of one mark from this chapter 1. . In all the previous March question papers (March 06 to March 10), question was asked only from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering.
Refer Page No.: 271-272 in Vol.II.
Q. No OPTIONS YEAR
1 A Mar 2009
2 D
3 D
4 A Mar 2008
5 C June 2010, Model Paper 2009
6 C
7 D Oct 2006, Mar 2010
8 B Mar 2007, Oct 2008,09,10
9 C Oct 2007
10 B
11 C
12 C
13 A
14 D
15 D
16 B June 2007
17 C
18 A Mar 2006
19 D June 2006, Model paper 2010.
20 B June 2008, June 2009
Additional Questions: Total 26
Hint: Prepare one mark from the topics: Source of acids, Decarboxylation, HVZ,
Kolbe’s electrolysis, reducing property of Formic acid, Uses of Formic acid,
chemical properties and uses of lactic acid, Physical properties of oxalic acid,
uses of – 1.)Oxalic acid, 2.) Benzoic acid, 3.)Salicylic acid, 4.) Acetyl Chloride,
5.) Acetic anhydride and 6.) Acetamide.
1. Pyruvic acid is the oxidation product of lactic acid.
2. Urinary antiseptic is C6H5COOH.
3. Methyl salicylate is present in Oil of Winter green.
4. Aspirin is acetyl salicylic acid.
5. The source of butyric acid is butter
6. The source of HCOOH is red ant
7. Ethane can be prepared from sodium acetate by electrolysis
8. Brominating of salicylic acid gives white precipitate
9. Acetyl chloride fumes in moist air forming HCl
10. CH3COCl is used in the detection and estimation of alcoholic and
amino groups
11. CH3CONH2 is used as soldering flux.
12. HCOOH is used in the coagulation of rubber latex
13. When acetic acid is passed over heated P2O5 it forms acetic
anhydride
71
14. Benzoic acid is used to disinfect the bronchial tube.
15. HCOOH is used as stimulant for the growth of yeast and in the
treatment of gout.
16. Sodium benzoate an important food preservative.
17. Lactic acid is found in gastric juice, cucumber or opium.
18. In Glaciel acetic acid, percentage of acetic acid is 100%.
19. Salicylic acid is used as a medicine for Rheumatic pain.
20. An aqueous solution of Salicylic acid gives violet colour with neutral Ferric Chloride.
21. Oxalic acid is used for removing iron stains and ink stains.
22. Lactic acid is used in the treatment of digestive disorder in
children.
23. Acetamide exists as a dimer due to Hydrogen bonding.
24. In HVZ reaction, carboxylic acid is treated with Halogen and Phosphorous Tri-Halides.
25. Lactic acid on treatment with dil.H2SO4 gives HCOOH+CH3CHO.
26. Cyclic diester can be formed by Lactic acid.
Chapter-20. ORGANIC NITRO COMPOUNDS
Number of one mark from this chapter is 3. Normally one question is from book back. Book back questions are also asked with options being interchanged, so be careful while answering. Refer page No.: 310-312 in Vol.II.
Q. No OPTIONS YEAR
1 A
2 C Mar 2006, Oct 2010
3 A Mar 2008, June 2009
4 C
5 A Mar 2007
6 B June 2007
7 D June 2007, Oct 2009
8 D
9 B June 2006
10 C June 2010
11 C
12 C June 2007, Mar 2010
13 B Oct 2006 & 2007, Mar 2008
14 B June 2008, Oct 2008, June 2010
15 A Mar 2009
16 B
17 C June 2008, Oct 2008
18 D June-06, Oct 2009& 2010
19 D Mar 2007
20 C Mar 2009
Additional Questions: Total 36
Hint: Prepare one marks from the topics: Tautomerism, Nitro methane on
reaction (With Cl2, Aldehyde and Ketone, Reduction with Sn/HCl), Uses of
Nitro alkanes, Arrenium ion, physical properties of nitrobenzene, Chemical
72
properties of nitro benzene (Alkaline medium, Electrolytic reduction, nitration),
uses of Nitro benzene, Hoffmann’s bromide reaction, Gabriel’s pthalamide
synthesis, physical properties of Amine, chemical properties of Methyl amine
and Aniline, Chemical properties of benzene diazonium chloride.
1. Reaction of nitric methane with chlorine in presence of alkali
produces trichloro nitro methane (or) Chloro Picrin.
2. Electrolytic reduction of nitro benzene gives p-amino phenol.
3. 1, 3, 5 tri nitro benzene is an explosive.
4. Tertiary amine is less basic than secondary amine because of
Steric effect
5. Amine generally have fishy odour.
6. Alkyl cyanide on reduction with LiAIH4 / ether gives primary
amine.
7. Mustard oil reaction converts primary amine to Methyl isothio
cyanate.
8. Schotten – Baumann reaction is formation of benzanilide
9. Benzene diazonium chloride reacts with phenol to give p-Hydroxy
azobenzene.
10. Test for aniline is Bromination test.
11. Gomberg reaction is used to prepare Biphenyl.
12. Reduction of nitro benzene using Sn/HCl gives aniline.
13. Azoxy benzene is obtained by the reduction of nitro benzene using
glucose + NaOH.
14. Primary and secondary nitro compounds behave as an acid in
the presence of strong alkali (Mar -06)
15. Converting benzene diazonium chloride to chlorobenzene is called
Sandmeyer’s reaction. (Mar -06)
16. Nitrogen compound used in the preparation of sulpha drugs is
amino benzene. (Oct -06)
17. Compound that does not show tautomerism is nitrobenzene.
(June -06)
18. Nitro group can be reduced to primary amino group by Sm /
Conc. HCl. (Oct -06)
19. The tertiary nitro compound is 2-nitro –2 methyl propane
(June-09)
20. The intermediate formed in the nitration of Benzene is Arenium
ion. (June-09)
21. Methanamide will not undergo Hoffmann‘s bromamide
reaction.(Oct -08)
22. Oil of mirbane is nitrobenzene (June -08)
23. A use of chloropicrin - soil sterilizing agent. (Oct-7,Mar08,Jun10)
24. The reaction between benzene diazonium chloride and benzene in
the presence of NaOH is Homburg - Bachmann reaction.(Oct -07)
25. Nitro–acintro tautomerism is exhibited by nitro methane. (Mar-07)
73
26. Nitration of nitro benzene resorts in m- di nitro benzene.
27. (CH3)2-N-C2H5 is a tertiary amine. (Mar 2009)
28. Basic strength of amine is in the order of Secondary amine>
Primary amine> Ammonia. (Oct 2009)
29. C6H5N2Cl CuCl2/HCl-> X, the compound ―X‖ is C6H5Cl. (Mar 2010)
30. Aniline reacts with Benzoyl Chloride in the presence of sodium
hydroxide and gives Benzanilide. This reaction is known as
Schotten-Baumann reaction.
31. The product obtained when nitrobenzene is treated with
Zn/NaOH is hydrazobenzene. (Oct 2010)
32. Bromoethane reacts with silver nitrate to give C2H5ONO.
33. The product obtained by Carbyl Amine reaction is Isocyanide.
34. Benzene diazonium chloride reacts with Hypo Phosphorous acid in the
presence of cuprous salt, to give Benzene.
35. IUPAC name of CH3CN is Ethane Nitrile.
36. Aniline is used for the manufacture of anti-oxidant in rubber industry
and poly urethane plastic.
37. Gabriel Phthalamide synthesis is used in the preparation of primary
aliphatic amines.
Chapter- 21. BIOMOLECULES
Number of one mark from this chapter is 2. In all the previous March question papers (March 06 to March 10), one question was asked from book back. Book back questions are also asked in a twisted manner, options might be interchanged, so be careful while answering. Refer page No.: 328-33- in Vol.II.
Q. No OPTIONS YEAR
1 D
2 D June-06, Mar -07, Mar -09
3 C
4 B June 07
5 D Oct 08
6 C June 08, June 09
7 C Oct 2007& 2010
8 A June 06, Mar 08, Oct 08
9 B June 07
10 D Mar 07
11 A
12 A June 09, Oct 09& 10
13 D
14 A
15 D
74
16 C June 08, Oct 06
17 A Mar-06
18 C
19 B
20 A
21 B
22 C
23 D
24 C
25 B Oct 09, June 2010
Additional Questions: Total 36
Hint: Prepare one mark from the topics: Classification of carbohydrates, Structure of glucose and fructose, disaccharides, polysaccharides, amino acids and functions of lipids.
1. A mixture of D (+) glucose and D(-) fructose is known as invert
sugar. (Mar 2006)
2. Starch when treated with enzyme, diastase yields maltose.
3. Precipitation of proteins is known as denaturation. (Oct 2007)
4. Reverse of denaturation is known as denaturation.
5. Protective agent on the surface of animals and plants is wax.
6. Cephalins have been implicated in the process of blood
coagulation.
7. Glucose reduces Toller’s reagent.
8. Zwitter ion in acidic solution in the form of Cation.
9. Sorbitol and mannitol are epimers (Mar 2008)
10. Nucleic acid is made up of organic base, a sugar unit,
phosphoric acid (Oct 2006)
11. The number of asymmetric carbon in glucose is 4.
12. The hydrolysis of disaccharides involves a cleavage of Glycosidic
linkage.
13. Cephalins are found in the brain.
14. pH at which amino acid shows no tendency to migrate when
placed in an electric field is known as Iso electric point.
15. Starch when heated to 200-300oC gives Dextrin (Mar 2010)
16. Starch, Cellulose and Insulin is considered as a polysaccharide.
17. Raffinose is an example of trisaccharide.
18. General formula for polysaccharides is (C6H10O5) n.
19. Lecithins are required for normal transport and utilization of
other lipids, especially in the liver.
20. Galactolipids occur in considerable amount in the white matter
of brain and all nervous systems.
21. Fruit sugar is fructose.
S. No UNITS MAX.Q Q.No
1 Atomic structure II 1 31
2 Periodic classification II 1 32
3 P-block 2 33,34
4 D-block 2 35,36
75
5 Nuclear chemistry 1 37
6 Solid state II 1 38
7 Thermodynamics II 1 39
8 Chemical Equilibrium 1 40
9 Chemical kinetics 2 41,42
10 Surface Chemistry 1 43
11 Electro chemistry I 1 44
12 Isomerism 1 45
13 Hydroxy derivatives 2 46,47
14 Carbonyl compounds 1 48
15 Carboxylic acids 1 49
16 Organic nitrogen 1 50
17 Chemistry in action 2 51
Total 21
Answer any 15 from 21 Questions.
Question number 31-37: ---- Inorganic
Question number 38-44: ---- Physical
Question number 45-51: ----- Organic
For question number 31:
Hint: Problems based on the topics: De Broglie equation and Uncertainty
principle are possible. In all the previous March question papers (March 06 to
March 10), question was asked from book back only. (Refer Page no 30 in Vol.I for
Book back.)
Q.No QUESTION Page No. YEAR
1 Explain the significance of negative electronic energy
13 June 08, 09 &10
2 Distinguish between particle and wave 3 June 06
3 What is bond order? And how is it useful in determining the stability of a molecule?
19 June 07, Mar 07
4 Why He2 is not formed. 21 Mar 07
& Oct 08,10
5 State Heisenberg‘s uncertainty principle 10 Mar 06&
08, Oct
07 & 09
6 What are the conditions for effective Hydrogen bonding ?
27 Oct 06
7 Define hybridisation. 23 Mar 09
8 What is meant by intra molecular H-
bonding?
28
9 What is a nodal plane? 16
10 Give the type of hybridisation in Co32- and
NH4+
25 & 26
11 Give the type of hybridisation in NH3 and
PCL5
24 & 25
12 What are the consequences of intra and
inter molecular hydrogen bonding?
29
76
13 What are bonding and anti-bonding
molecular Orbitals?
17
14 What are the significances of De-Broglie
wave?
6
15 Give any three importance of Hydrogen
bonding
29
16 Define molecular Orbitals 15
17 Define an orbital 15
18
De-Broglie equation based problems:
Example problems: 1& 3,
Problems for practice: 1, 2, 4.
6,9, 10
19 Uncertainty Principle Based problems: Problems for practice: 2 & 3.
12
For question number 32:
Hint: Prepare 3 marks from the topics: Comparing I.E, E.A between
elements (Repeated). Problems based on Atomic Radii (or) Slater’s rule.
(I.I – Ionization energy, E.A – Electron affinity)
Q.No QUESTION Page No. YEAR
1 Why is EA of Fluorine less than 42 Mar06,June
Chlorine? 09,Oct 10
2 Why is the 1st I.E of Beryllium greater
than Lithium (or) Boron?
38 June & Oct 06, June 08
3 Compare I.E of Nitrogen and Oxygen. - Mar 07
4 Define Electron Affinity (E.A) 32 Mar 08
5 Mention disadvantage of Pauling and
Mullikan‘s scale
43&44 Oct 08
6 Why IE2 always greater than IE 1 -
7 I.E of Neon greater then Fluorine. Give
reason.
40 March 09,
June 2010
8 Why is I E of Fluorine greater then
Oxygen?
39 Oct 09
9 I E of carbon greater then Boron 38
10 Why Beryllium and Magnesium has
almost zero EA?
42
11 Compare I.E of Magnesium and Sodium. 39
12 Compare I.E of Aluminum and
Magnesium.
39
13 Beryllium and Nitrogen has almost zero
EA. Give reason.
40 Mar 2010
77
14 If the d (C-Cℓ) is 1.76Ǻ and r (Cℓ) is
0.99Ǻ. find the radius of Carbon atom
33 June 2007
15
Calculate the effective nuclear charge
experienced by the 4s electron in Potassium atom ( S= 16.8)
36
Oct 07
For question number 33& 34:
Hint: Chances for book back questions are more. Prepare from the topics:
Potash alum, Plumbo solvency, Compounds of phosphorous (P2O3, H3PO4,
H3PO3, PCl5, P2O5 etc...), Inter Halogen compounds, Uses of Neon and
Helium. Refer page no.:78 for Book Back questions.
Q.No QUESTION Page No. YEAR
1 What is the action of heat of phosphoric
acid
60 June 09
2 Action of P2O3 with cold and hot water 59
3 Why is HF not stored in silica (or glass
bottle)? Give equation.
67 Mar 07
4 Write note on potash alum.
50 Mar 08
5 H3PO4 is Tri basic nature or Triprotic? 61 Mar 06
6 How will you prepare Phosphine in
laboratory
63
7 Prove that Phosphorous acid is a powerful
reducing agent.
60 June 06
8 Give the electron dot formula of PCL5 and
H3PO3
57& 61 Mar 08
& Oct 08
9 Uses of Neon (Any 3)
76 June 08& 10, Oct 10
10 How fluorine reacts with non-metals? 69
11 What is Plumbo Solvency?
54,55 Oct-06& 10, June
06, 07& 09,
Mar10.
12 Prove that P2O5 a powerful dehydrating
agent.
60 Oct 06 & Mar07
13 Uses of Helium (Any 3) 76 Oct 07,
14 How H3PO4 prepared in the Laboratory? 61 June 08
15 What is a inter halogen compound? Give
any one preparation.
70 Oct-08
16 Illustrate the oxidizing power of fluorine 66 June 07
17 What is inert pair affect? 49 Mar 09
78
18 H3PO3 is diprotic. Why? 60 Oct 09,
Mar 10
19 Write the uses of Phosphine (or) Phosphoric acid.
64& 62
20 Draw the structures of ortho and pyro phosphoric acid.
62& 63
21 Write a note on etching on glass. 67
22 Show that phosphine is a powerful
reducing agent.
63
23 Write any 3 uses of Silicones (or) Lead 52& 55
24 Write a note on Holmes‘s signal. 64 Oct 07&
09
For question number 35& 36:
Hint: Chances for book back questions to be asked in Board exams is
more. Refer page No.: 106-107. Prepare 3 marks from the topics:
Formation of coloured ions, Variable oxidation state, complex formation of
d-block elements, chrome plating, spitting of silver, chromyl chloride test,
and action of heat of copper sulphate.
Q.No QUESTION Page No. YEAR
1 What is the action of heat on copper
sulphate? Give equation.
101 Mar 08,
Oct 10
2 Write a note on Chromyl chloride test 100 Mar 09
3 Write note on Chrome plating 92 Oct 06,
Mar 08& 10
4 Why are transition metal ions coloured? 82 Oct 09
5 Splitting of silver and how is it prevented 96 Oct 07 &
08, June 2010
6 Purple of cassius. How is it prepared? 104
7 Bordeaux mixture 102
8 Action of heat on AgNO3 and how is it
prepared.
108
9 Why do d-block elements possess
Catalytic activity
83
10 How gold dissolves in aquaregia 98 Mar 07
11 What is Philosopher‘s wool? How is it formed? 94
12 Evidences for oxidizing nature of potassium dichromate (Any 2)
100 July 06
13 Explain electrolytic refining of copper 87 June 07
14 What is the reaction of CuSO4 with KCN?
(or) KI (or) Ammonia?
101 June 08,
Oct 09
79
15 What is the action of Zinc on hot NaOH
solution?
94 Oct-08
16 Explain why Mn2+ is more stable than
Mn3+?
83 Mar 06
17 A substance is found to have a magnetic moment of 3.9 BM. How many unpaired electrons does it contain?
85 Mar 06
18 Why do transition elements form
complexes?
85 June 06, 08, 09& 10, Oct 07& 10, Mar 10
19 Why do d-block elements have variable
oxidation state?
84 Mar 07, 09, June
07 & Oct
06
20 Why Zn2+ salts are colour less while Ni2+
salts are coloured?
83 June 09
21 Write a note on alumino thermic
process.
90,91
22 How is silver extracted from silver coins? 96
23 Write two alloys of copper and their uses. 89
24 How does copper reacts with
concentrated acids?
88
25 How is copper sulphate prepared? 100,101
For question number 37:
Hint: Problems based on the topics: Half Life period Mass defect, average
life, Carbon dating is possible. Refer textbook examples in page no.:144-
148 and book back problems in page no.:149& 150.Prepare for questions,
from the topics: half Life period, mass defect, difference between chemical
and nuclear reaction, Q-Value, types of nuclear reaction, Hydrogen bomb,
Carbon dating and its uses, Nuclear reaction taking plate in sun, study of
a reaction (Mechanisms).
Q.No QUESTION Page No. YEAR
1 Principle behind the hydrogen bomb 141 Mar 06,10
2 Q value of a nuclear reaction 138,139 June 06
3 Difference between chemical and nuclear reaction* (any 3)
137 Oct 06
4 What is radio carbon dating? 141
5
In the following radioactive decay:
92X232 → 89Y220 , How many α and β particles are ejected? Answer: α=3, β=3.
Oct 07
6 What is binding energy of nucleus? 137
7 Uses of radioactive isotope to study the mechanism of photo synthesis.
142
8 Write a note on nuclear power
generator.
140
80
9
Example Problems: Page No.:144-148:
Example 1,2 (June 07-09), 6 (Mar 08),
7(Mar 07), 8,9 (June 10) and 11 (Oct 09)
10
Practice Problems : Q.No 14, Pg. No.:
149-150, Q.No: 20,26 (Mar 09), 27(Oct
2010), 29, 30, 32 (June 08), 33, 34 and
35 (Oct 08)
11 Explain the nuclear reactions taking place in sun.
142
12 What is spallation reaction?
139
For question number 38:
Hint: Problems based on the topics: Cubic systems and Bragg’s law.
Prepare 3 marks from the topics: Types of cubic system, Bragg’s equation
and its significance, Types of crystals, types of ionic crystals, Point
defects, Super conductors and its applications and Glasses.
Q.No QUESTION Page No. YEAR
1 What is meant by super conducting transition temperature
162 June 07
2 Application of Super conductors
162 Oct 10, June 10,
3 What are super conductors?
161 Mar 06, June
06,09, Oct 08
4 What are point defects ? 160
5 What is a vitreous state? 162 Oct-06 &
07
6 Write a note on molecular crystal. 158 Mar 08
7 Write a note on Frenkel‘s defect. 160 June 08
8 Write a note on metallic crystal. 158
9 Significations of Bragg‘s equation. 156
10 How glass formed 162 Oct 09
11 Sketch the following lattices
a. Simple cubic b. FCC, c. BCC
154 Mar 09
12 State Bragg‘s law 156
13 Write a note about metal excess defect. 161
14 Any three characteristics of Ionic crystals 158
15 Write the structure of Rutile (TiO2) 159
16 What do you mean by imperfection in
solids?
159
17 Example Problems: 1, 2, 3& 4 162-163
18 Problems for Practice: 1(Repeated), 2,
3.
164
81
For question number 39:
Hint: Problems based on the topics: 1.) Efficiency of a engine, Trauton’s
rule, Change in entropy, standard entropy, standard free energy and
enthalpy. Prepare 3 marks from the topics: Various statements of second
law of thermodynamics, Trauton’s rule and characteristics of 1.)Entropy,
2.) Gibbs free energy.
Q.No QUESTION Page No. Year
1 Clausius statement, Kelvin-plank,
Entropy statement of second law of thermodynamics
167,168 Mar & July 07, Oct 08
2 Trouton‘s rule or types of liquids or
substances derivatives from Trouton‘s rule
170 Oct 06, June 09
3 What is entropy? What are the units of
entropy?
168,172 Mar 06
4 What is Gibb‘s free energy? 175 June 06
5 Mention the essential condition for
spontaneity in a chemical reaction.
176
6 Define the standard entropy change of
formation.
174
7 How is ∆G related to ∆H and ∆S? What is
the meaning of ∆G=0
176 Oct 10
8 Example problems: 1(Mar 08), 2)(Mar 09), 3(Mar 10), 7,8,9& 10(June 08& 10),
170-178
11& 12.
9 Exercises problems: Q.No 19 (Oct 07,
09), 20, 21& 30.
180-181
For question number 40:
Hint: Problems based on the topics: ∆ng, Formation of HI etc. Prepare 3
marks from the topics: Dynamic equilibrium, Equilibrium constant,
reaction quotient, Le-chatelier’s principle, Haber’s process and contact
process.
Q.No QUESTION Page No. Year
1 What is reaction quotient(Q), How is it
related to equilibrium constant ?
188 Oct 07,
June 10, 08
2 Dissociation of PCl5 decreases in presence
of increase in Cl2.why?
Mar 09
3 State Le-chatelier‘s principle 190,191 Mar07,10
4 What is relationship between formation
equilibrium constant and dissociation
constant?
186 Mar 08
5 What is equilibrium constant? 184 Oct 09
6 Where are the favorable conditions for the
maximum yield of ammonia by Heber‘s
process?
192,193
7 Why is equilibrium reaction referred to as
dynamic equilibrium?
183 Oct 10
8 Example Problems: from Formation of HI, in page no.: 187 (Repeated), Page No.:
188(Repeated).
9 Answer in one or two sentences: Page
82
No.:194, Q.No:9 (Oct 06), 13(June 09),
14(Repeated).
10 Problems For Practice: Page No.:195-
196, Q.No.: 18(Mar 06), 19(June 06),
26(June 09), 27, 28(Oct 08)
For question number 41& 42:
Hint: Problems based on 1.) First order reaction (Finding K, Half life
etc.) 2.) Activation energy. Prepare 3 marks from characteristics of order
of a reaction and first order reaction, Examples of first order reactions,
half life period, Pseudo order, Arrhenius equation, activation energy, and threshold energy; compare simple and complex reactions, repeated
questions from types of complex reaction in board papers.
Q.No QUESTION Page No. Year
1 Define Pseudo first order reaction. Give
an example.
10 Mar 08,
June 09&
10 , Oct 09
2 What are the characteristics of 1st order 4
3 Zero order reaction. Give an example
4 Give 3 examples for opposing reactions 20 Mar 06,
June 09
5 What are consecutive reactions? Give an
example
18 June 06,
Oct 06,
Oct 09
6 Write the Arrhenius equation and explain
the terms.
14 Mar 07 &
Mar 09
7 What are parallel reactions? Give an
example
19 Mar 07, 10
8
Define order of reaction.
2
June 07,
08,Mar 09,
Oct 10
9 Compare simple and complex reactions. 17,18 Oct 07
10 Define activation energy. 15 Oct 07 &
08, Mar
08,10
11 Derive an equation for the half–life period
of first order reaction.
4 June 08
12 What are complex reactions? Give an
example.
17,18 Oct 08
13 Define half–life period. 7
14 What is meant by Threshold energy? 15
15 Any three example for first order reaction 4,5
16 Define rate of reaction. 3
17 75% of reaction of the first order was
completed in 48 minutes. When was it
half complete?
Answer: K=0.0288 min-1.t1/2 =24.06 min
18 What are opposing reactions ? Give an
example .
20 June 09
19 Draw the potential energy diagram for
activation energy
15
20 Example Problems: From ―First order
83
reaction‖: in page no.:8,9 and 10. All
examples are repeated in board papers.
Example problem in page no.:10 was
asked in October 2010.
21 Problems for Practice: Q.No:2,5
(Repeated), 6, 8(repeated).
22
For question number 43:
Hint: Prepare 3 mark from the topics: Difference between Physical and chemical adsorption, Characteristics of catalytic reactions, Types of
catalytic reactions and catalysts, promoters, Catalytic poisons and
active centres, 1.) Preparation 2.) Purification 3.) Properties and 4.)
Applications of colloids.
Q.No QUESTION Page No. Year
1 What are promoters? Give an example 29 June 08,
Mar 10
2 What is catalytic poison? Give an
example.
29 June 07,
Mar 10
3 What is peptisation? Give an example. 35 Mar 09
4 Why does the sky appear blue? 40
5 How is the stability of the sol maintained? 38
6 What is meant by electro osmosis ? 40
7 What is auto catalyst? Give an example 28 Oct 06
8 What is heterogeneous catalysis ? Give an
example.
27 Mar 08
9 What is tanning? 42 Oct 07
10 What is electrophoresis? 39 Mar 06 ,
June 10
11 What are emulsions? 42 June 06
12 Why colloidal system of ―gas in gas‖ does not exist?
33 Mar 07
13 What is electro dialysis? 36 Oct 08
14 Write about Helmholtz double layer. 38,39
15 Why colloids are purified? 36
16
What is Brownian movement? (or) What is
the Kinetic property of colloids? Give
reason.
38 June 09
17 Give any 3 difference between physical
and chemical adsorption.
25 Oct 09
18 What are general characteristics of a
catalytic reaction?
26
19 What is meant by Tyndall effect? 38 Oct 2010
84
20 What is ultra filtration ? 37
21 What are Lyophobic and Lyophobic
colloids?
33
22 What is induced catalyst? Give an
example.
28
23 What are active centres ? 29
24 What are dispersed phase and dispersed
medium?
32
25 Any 3 medical applications of colloids? 42
26 How is colloidal solution prepared by double decomposition method?
35
For question number 44:
Hint: Problem based on the topics: Electro chemical equivalent and pH of
a solution. Prepare other questions from the topics: Semiconductors,
Ostwald dilution law, Faraday’s first and second law, electrochemical
equivalent, Kohlrausch’s law, common ion effect, ionic product of water,
buffer solution and action, Henderson equation and its significance, pH
indicators and its selection for acid-base titra tion, suitable indicator
(Phenol pthalein and methyl orange) in the ti tra tion.
Q.No QUESTION Page No. Year
1 Faraday‘s first and second law 53 Mar 06
2
State Kohlrausch‘s law.
61
June 06,
Oct 08 &
09
3
What is mean by common ion effect?
63
Oct 06,07
July 07,
Mar 08,
10
4 Define equivalent conductance. Give
equation.
57 June 08
5 State Ostwald dilution law. 52 Mar 09
6 Define electrochemical equivalent. What is
its unit?
53 June 09
Define Molar conductance. 58
7 What are indicators? 73
8 What are insulators? Give 2 examples. 47
9 Write Debye – Huckel Onsager equation
for a univalent strong electrolyte.
59
10 Write a note on Ionic product of water. 64
11 What do you understand by buffer
solution? Give an example.
69 June 10,
Oct 10
12 How will you determine λ∞ of acetic acid ? 61,62
13 What is buffer action? Give an example 69
14 What is Henderson equation? 71,72
15 What are Intrinsic and extrinsic semi
conductors ?
48
85
16 Example Problems: From pH of a
solution, Example problem 3, 4 and 5.
68
17 Problems for Practice: Q.No.: 1& 2 80
For question number 45:
Hint: Prepare 3 mark from the topics: Geometrical Isomerism, Mentioning
Cis-Trans (or) E, Nomenclature for given alkenes, 1,3 butadiene,
cyclohexane, optical isomerism and rotation, condition for optical activity,
Isomerism in Tartaric acid, compare 1.)Racemic and Mesoform 2.)
Enantiomers and Diastereomer, Racemic mixture and Disubstituted
benzene.
Q.No QUESTION Page No. Year
1 Inter conversion between Cis and trans
isomerism
104
2 Condition for optical isomerism 110 Oct
07,Mar09
3 Draw the confirmations of cyclopropane,
cyclobutane and cyclopentane.
106,107
4 Write a note on Isomerism in1,3 Butadiene 106
5 What is Geometrical isomerism (or) Cis-
Trans isomerism ? Give examples
103
6 Meso tartaric acid is optically inactive:
explain.
113 Mar 10,
Oct 06
7 Compare diastereomer from enantiomer. 114 June 06
8 Distinguish between racemic and meso
forms.
113 Mar 07, June 10, Oct 10
9 What is racemic mixture? Give example. 112,112 Mar 08
June 09
& Oct 09
10 What are optical isomers? Give example. 111 June 08
11 Justify that boat form is less stable than
chair form of cyclohexane.
108
12 Which Isomerism is possible in
Disubstituted benzene? Give example.
116
13
Self Evaluation: Geometrical Isomerism,
Q.No:2 (Sep 08), 3(Repeated), 7(Repeated),
9(June 07).
118-120
For question number 46& 47:
Hint: Prepare 3 marks from the topics: 1.) Ethyl Alcohol – Preparation
(Ethers, Grignard), chemical properties (Lucas, oxidation, Haloform, Victor
Meyer Test) and uses. 2.) Glycol – Preparation (Bouveault- Blanc
86
reduction), Physical properties, chemical properties (Terylene,
acetaldehyde, dioxan) and uses. 3.) Glycerol – Preparation
(Saponification, propylene), properties (Acrolein, oxalic acid) and uses. 4.)
Benzyl alcohol- Preparation (Grignard, Cannizaro) and uses. 5.) Phenols-
Preparation (Dow’s, Cumene), Physical and chemical properties(Dye test,
Bromine water, Kolbe’s, Riemer-Tiemann, Phenolphthalein, Lederer-
Manasse reaction) and uses.
Q.No QUESTION Page No. Year
1 Breath Analysis test 134 Mar 06
2 Phenol is insoluble in NaHCO3 solution
but acetic acid is soluble. give reason
159 Mar 07
3 Reaction of glycerol with KHSO4 149 Mar 07
4 Explain Dow‘s process 157 June 07
5 How will you Convert Phenol to Phenol
Phenolphthalein?
166 Mar & June 06, June 09
6 Why is glycol more viscous than ethanol? 141 June 06
7 Give a brief account on coupling reaction
of Phenol with benzene diazonium
chloride.
165 Oct 06
8 Give ant three uses of benzyl alcohol. 155 Oct 06
9 Convert ethyl alcohol to diethyl ether. 132 June 07
10 Write the dye test for phenol. 165 Oct 07
11 How is Allyl alcohol obtained from
glycerol?
150 Oct 07
12 Alcohols cannot be used as a solvent for
Grignard reagents. Why?
130 Mar 08
13 How is ethylene glycol converted into 144 Mar &
dioxan? Oct 08
14 Write a note on Kolbe‘s reaction. 165 June 08
15 How is glycerol synthesized from propylene?
147 June 08
16 Give a chemical test to distinguish
between ethanol and methanol.
135 Oct 08
17 How Terylene prepared from glycol? 142 Mar 09
18 How is phenol identified? 163,164 Mar 09
19 How will you convert 2-methyl-2-propanol
into 2-methyl propene?
136 June 09
20 What happens when ethylene reacts with
cold dilute alkaline KMnO4?
139 Oct 09
21 Write a note one Haloform reaction. 135
22 Phenols are soluble in alcohols, Why ? 158 June 10
23 Starting from Phenol, how would you
obtain picric acid?
164 Oct 10
For question number 48:
Hint: Prepare from these topics: 1.) Acetaldehyde: Preparation (Rosemund’s, Stephen’s), Chemical properties(Addition reaction,
Ammonia, Aldol, Clemmenson, Wolff Krishner, Oxidation, Polymerization
and uses. 2.) Acetone: Preparation ,Chemical properties (Grignard
addition, Ammonia, Reduction, Popot’s rule, Haloform reaction, Pherone,
Mestiylene) and uses. 3.)Benzaldehyde: Chemical Properties (Reduction, Benzoin, Perkin’s, Knoevenagal, Malachite green) and uses. 4.)
Acetophenone: Preparation, properties and uses. 5.)Benzophenone:
Preparation (Friedel crafts), properties (Benzhydrol) .
87
Q.No QUESTION Page No. Year
1
How does formaldehyde react with ammonia? And mention uses.
211
June 06,09, Mar 08, 10, Oct
09,06,10
2 How acetophenone prepared by Friedel-
crafts method?
229 Mar 07 &
Mar 09
3 What is formalin? Write its uses. 217 June 07
4 What is Rosemund‘s reduction? What is the Purpose of adding BaSO4 in it?
201,202 Oct 07
5 Write two tests to identify aldehydes. 216 June 08
6 Explain Halo form reaction with example. 226 Oct 08
7 Naming reaction, Perkins, Knoevenagal. 222
8 How will you distinguish between formaldehyde and acetaldehyde?
223
9 How is benzophenone prepared by
Friedel-crafts method?
230
10 Write Benzoin condensation reaction. 221
11 How is acetaldehyde obtained from
calcium salts of fatty acids?
201
12 Give IUPAC names for i)Crotonaldehyde ii)Methyl-n-propylketone , iii)Phenyl
acetaldehyde
198,199 Mar 06
13 Write briefly on clemmensen‘s reduction 214 June 10
14 How is Paraldehyde obtained ? 217
15 Formaldehyde and Benzaldehyde gives cannizaro‘s reaction, but acetaldehyde
does not - Explain.
224
16 How do acetaldehyde and acetone react 217,227
with conc.H2SO4?
17 How malachite is green obtained from
Benzaldehyde?
223
18 What is Popot‘s rule? 215,216
19 Write a note on Wolff-Krishner reaction 215
For question number 49:
Hint: Prepare 3 marks from source and trivial name. 1.)Acetic acid
preparation, chemical properties (Esterif ication, HVZ, Kolbe’s electrolysis,
2.) Reducing property and Uses of formic acid test for carboxylic acid,
3.)Lactic acid: preparation (acetylene, propene), properties (Pyruvic acid, dil.H2SO4, Haloform reaction, lactide, PCl5) and uses, 4.)Oxalic acid:
preparation, physical properties, chemical properties (NaOH, PCl5, Action
of heat) and uses. 5.)Bemoic acid: properties and uses, 6.) Salicylic acid –
properties(Kolbe’s), test for salicylic acid, properties (Aspirin, oil of winter
green) and uses. 7.)Methyl acetate - properties (Trans-esterification, claisen ester condensation), 8.)Acetamide – Preparation, physical
properties, chemical properties (dehydration and Hoffmann’s) and uses.
Q.No QUESTION Page No. Year
1 Write a note on HVZ reaction 249 Oct 06
2 Trans-esterification, Claisen ester 268 Mar &
July 06
3 Mention the uses of oxalic acid. 257 Mar 07 &
09
4 Formic acid reduces Toller‘s but acetic
acid does not. Give reason.
251 Oct 07, 08
& 09
5 How methyl salicylate is prepared? 264 June 08
6 Reaction of lactic acid with dilute
sulphuric acid.
253 Mar 08
88
7 Uses of formic acid, salicylic acid, Succinic acid and lactic acid.
251,264, 257,254
8 What is meant by esterification? Write
the equation.
246 June 06
9 Convert phenol into salicylic acid. 262
10 How you will distinguish formic acid acetic acid.
250
11 Two test to identify carboxylic acid. 251 June 09
12 Give the source and trivial name of a)
HCOOH b)C3H7COOH c)C11H23COOH
241 June 07
13 Account the reducing nature of Formic
acid, with suitable example.
250 Oct 08
14 Give tests for Salicylic acid. 263
15 Mention the uses of Benzoic acid. 262
For question number 50:
Hint: Chances are more for Organic problems (Identifying A,B,C: Refer Q.N: 50 in Mar 2008,09 and 10, June 2006, 08 & Oct 2009& 10) Prepare
3 marks from 1.)Nitro methane: Tautomerism, properties (Chloropicrin,
with Aldehyde and Ketone, reduction) and uses. 2.) Nitro Benzene:
properties (Acidic, neutral, alkaline medium, catalytic and electrolytic
reduction) and uses. 3.) Methylamine – preparation (cyanide, NH3, Gabriel), basic nature, chemical properties (HNO2, carbylamines, mustard
oil, Schiff ’s base) and uses. 4.)Aniline : Preparation (Hoffmann’s)
properties (HNO2, carbylamines, mustard oil, Schiff’s base) and uses.
5.) Benzene Diazonium Chloride: Preparation, properties (Sandmeyer, Gattermann, Gomberg, diazonium coupling) and uses.
Q.No QUESTION Page No. Year
1 Convert acetamide to methyl amine 290 Mar 06
2 What is Gabriel pthalamide synthesis 291 Oct 06,08,
Mar07,sep 07,June10
3 What is diazotization? Give an example. 308 June 07 &
09
4 Write a note on Gattermann reaction 307
5 Uses of aniline acid. 307,309
6 What happens when aniline is treated with phosgene (or) carbon di sulphide
301
7 Basic nature of aniline 299
8 What is mustard oil reaction? 294
For question number 51:
Hint: Prepare 3 marks from the topics: Anaesthetis, antipyretics, antiseptics, antiprotozoals, Antibiotics, antacids, antispasmodics, and
characteristics of dye, chromophore and auxochrome, chemical in food,
artificial sweetening agents and anti oxidants. Rocket propellants (Use
and examples), Buna rubbers (Buna N & S), Nylon 66 (Preparation and
uses), Formaldehyde Resins.
89
Q.No QUESTION Page No. Year
1 Write a note on Buna – S and its uses 339 June 06
2 Write a note on Antiseptic 334 Oct 06
3 What are chromophores? Give two
examples.
336
Mar 07,10 &
June 09
4 What are anesthetics? Give one example. 333 July 07
& 08
5 Why are Iodoform and phenolic solutions called antiseptic?
334
Mar 08
6 Give the preparation of Buna-N rubber. 339 Oct 08
7 How is nylon -66 (or) Polyamide prepared?
Give its use.
340 Mar 09
8 Give a note on Antibiotics 334 June 10
9 In what way antacids are important 334,335 Sep 07
10 How is Dacron prepared? Give any two
uses. (Hint: Refer Hydroxy Derivatives for ans.)
142 & 339 Mar 06
11 What are artificial sweetening agents?
Give two examples
337 Oct 09
12 Write a note on chemicals in food. 336,337
13 Give the characteristic of dye 335
14 What are antispasmodics and antipyretics?
335,333
Note: There are no three marks Question from the following chapters: F-block Co-ordination compounds
Electro chemistry II Ethers Biomolecules
SECTION A (Inorganic Chemistry)
S. No UNITS MAX.QUS Normally. Q.No
1 Atomic structure II 1 52
2 D-block 1 53
3 F-block 1 54
4 Co-ordination compounds 1 55
SECTION B (Physical chemistry)
5 Thermodynamics 1 56
6 Chemical equilibrium 1 57
7 Chemical kinetics 1 58
8 Electro chemistry II 1 59
SECTION C (Organic chemistry)
9 Ethers 1 60
10 Carbonyl compounds 1 61
11 Carboxylic acids 1 62
12 Chemistry in action 1 63
Total 12
90
Answer any 7 questions choosing at least 2 from each section.
SECTION – A
INORGANIC CHEMISTRY
For Question Number 52:
Note: Problem chance based on De-Broglie equation and Uncertainty.
1. Derive de-Broglie wave equation and mention its significance.
Page No.5, 6 (Oct 06, June 07)
2. Explain inter & intra molecular hydrogen bonding.
3. Discuss Davisson & Germer‘s experiment. (Mar 07) Page No. 3, 4
Give any five postulates of molecular orbital theory. (Mar08)
4. Discuss the shape of s, p, and d, orbital. (still this book back
question is not given in board exam) Page No.17
5. Explain the formation of O2 molecule by molecular orbital theory.
Page No.22, 23 (Mar 10,06 , June 06, Oct 07)
6. Explain the formation of N2 molecule by MOT. (June 08,10 Oct-
08,10) Page No.22
7. Problems: Examples volume I Page No. 6-10(De-Broglie)
Example 1, 2, 3(repeated), 4(repeated), 5(repeated)
Problem for practice (Page no 10) Question no 4 (repeated), 5 (Oct
09), 7, 8 and 9.
8. Problems: Examples volume I Page no 11 and 12 (Uncertainty)
Example 1 Page No 11. Problem for practice 1 and 2(repeated), 5
(Mar 09) Page no: 12.
9. Explain the types of Hydrogen Bonding. Page No.27,28
10. What‘s Hybridisation? State its salient features. Page. No 22,23
11. Explain the verification of particle character. Page. No 5.
12. Write a note on importance of hydrogen bonding. Page. No – 29.
For Question Number 53:
Note: Till now (from March 06 to Oct 10) Extraction of copper is not
given in board Question papers. Questions based on chemical
properties of copper, Zn, Ag, CuSO4, Cr.
1. Extraction of silver from its chief ore? Page no: 75 (June 06 &
08, Oct 07)
2. Extraction of zinc from its chief ore? Page no:93 (June09,Oct10,Mar
06) 3. Extraction of gold from its chief ore? Page no:97 (June 10,Oct
06,09, June 07, Mar 08)
4. Extraction of copper from its chief ore? Page no: 86,87 (chance)
5. Explain the preparation of K2Cr2O7 and its oxidizing property.
Page no:99, 100
6. Explain how potassium dichromate is extracted from chromium
ore. Page no:99 (Mar 07,10)
7. Explain alumino thermic process involved in the extraction of
chromium. Page no:90, 91 (Mar 09, Oct 08)
8. Explain salient features of oxidation states of transition elements.
Page no:84
For Question Number 54:
91
Note: Normally indirect (or) twisted Questions chance, so read full unit
properly.
1. Explain the extraction of lanthanides from monazite sand. Page
no: 111(Oct 06,10,Mar 10 June 07)
2. What is lanthanide contraction? Discuss any three consequences
& causes of lanthanides extraction. Page no: 109,110(June 06, Oct
07 & Mar 09,07)
3. Uses of lanthanides & actinides. Page no:112,113(June 09, Oct 09)
4. List the similarities & difference between lanthanides & actinides.
Page no: 112, 113 (Mar 06, June 10)
5. Mention oxidation state and any 3 uses of lanthanides. Page no:
109,112(Oct 08)
6. Mention oxidation state and uses of actinides. Page no:110,113
7. Discuss the position of lanthanides in the periodic table. Page no:
108,109(Mar 08)
8. Compare the properties of lanthanides and actinides. Page no:112
(June 08)
9. What is actinide contraction? Write its causes. Page no:110,111
10. i) +3 oxidation states of lanthanides is the most sable.
ii) Why f-block elements are called inner translation elements?
Page no:109
For Question Number 55:
Note: Very important chapter useful for writing Q. No 55 as well as
65(a). So read properly. Questions may inter change.
1. In the compounds K4Fe (CN)6 , [Cu(NH3)4] SO4 , Mention
a) IUPAC name b) Central metal ion
c) ligand d) Co-ordination number
Page no:124 (Oct 06, Mar & Oct 07, Oct 09)
2. Explain the postulates of Werner‘s theory? Page no:126 (Mar 06)
3. [Ni (CN) 4]2- is diamagnetic, whereas [Ni (NH3)4]2+ is paramagnetic,
Explain. Page no: 128 (June 10, Oct 10)
4. In what way does [FeF6]4- differ from [Fe (CN)6]4-? Page no: 129
(Mar 09)
5. Explain co-ordination isomerism (or) ionisation isomerism with
example. Page no: 121 (June 0708, Mar & Oct 08. June 09 as 65a)
6. Apply VB theory for [Ni (CN)4] & [FeF6] & explain the shape &
magnetic properties. Page no: 128, 129
7. Write a note on stereoisomerism (or) cis-trans isomerism and
Optical isomerism. Page no: 123-125
8. K3[Cr(C2O4)3].3H2O Mention Page no:120
a) IUPAC Name b) central metal ion
c) ligand d) coordination number
9. How chlorophyll important. Mention its function. Page no:
131,132(Mar-08)
10. In co-ordination complex [Co(NH3)6]Cl3. Mention the following
a) IUPAC name b) ligand
c) Central metal ion d) Co-ordination number
e) nature of complex (June 09)
11. Mention the type of hybridization and magnetic property of the
following complexes using VB theory: Page no:129
i) [FeF6]4- ii) [Fe(CN)6]4-
92
12. Mention the function of haemoglobin in natural process. Page
no:131 (Mar 10)
13. Explain the IUPAC rules of nomenclature. Page no: 119-120.
14. Mention any 5 uses of coordination compounds. Page no: 130.
SECTION-B
PHYSICAL CHEMISTRY.
For Question Number 56:
Note: Till now problems is not given in Board Question papers.
1. Various statement of second law? Page no:167,168 (Mar, June &
Oct 06,10, Mar 08, Oct 09,10)
2. Characteristics of entropy (spontaneous reaction) Page
no: 171(June 08, Oct 08 & Mar 09)
3. Characteristic of Gibbs free energy or free energy.
Page no: 176-177 (Mar, June & Oct 07, June 09)
4. What is spontaneous reaction? What are the conditions for
spontaneity of a process? Page no: 175-176(Chance for this March
2010)
5. State 1st Law and mention limitation of 1st law of
Thermodynamics. Page no: 167
6. State Trouton‘s rule, mention its applications and give examples
of substance that deviates from Trouton‘s rule. Page no: 170
7. i) How is efficiency of machine determined? Page no: 168
ii) How is ∆G is related to ∆H and ∆S? What do you mean by
∆G=0?
8. Problems: Examples volume I Page no 180 and 181.
19 (model papers), 22, 23 and 29 (repeated)
For Question Number 57:
Note: Problem also possible. Only in Oct 2006 problem is given from
this chapter.
1. Apply Le Chatlier‘s principle; explain the condition to yield
maximum ammonia (or) Haber‘s process. Page no:192,193
(June 06, Mar 08, June 10 )
2. Explain about the application of Le Chatlier‘s principle to contact
process. Page no: 193 (Oct 07,June 08 Mar 09, )
3. Derive an expression for KC and KP for the formation of HI.
Page no: 187 (Oct 09)
4. Derive the expression for Kc and KP for decomposition of PCL5.
Page no: 189, 190 (Mar-07)
5. Derive relation between KP=KC (RT)∆n(g) for a general chemical
equilibrium reaction. Page no: 184,185 (Mar 06, June 07, Oct 08,
Mar 10, Oct 10)
6. State Le Chatlier‘s principle. Discuss the effect of pressure,
concentration and temperature on the following reaction.
N2(g) + O 2(g) 2NO(g) (or) N2O4(g) 2NO2(g)
Page no: 191,192 (June 09)
93
7. Problems: Problem for practice (volume I) Page no 195 and 196.
Q. no 26 (dissociation of HI) (Oct 06), 29 (model papers)
For Question Number 58:
Note: Problem also possible. Only in Mar and Oct 2009 problem is
given from this chapter.
1. Derive the equation for rate constant for a first reaction.
Page no:3 and 4 (June 09)
2. Decomposition of H2O2 in aqueous solution. Page
no: 6 (Oct 07, June 06)
3. Difference between simple and complex reaction. Page no:18
(June 07, Oct 10)
4. Give characteristics of order of a reaction? Page no:2
(Mar 06, Oct 08,Mar 10,June 10)
5. Explain the experimental determination of rate constant of acid
hydrolysis of methyl acetate. Page no:11 to 13 (Mar 07)
6. Discuss the characteristics of a first order reaction. Page no:4
(Oct-06)
7. Write an account of the Arrhenius equation for rates of chemical
reactions. Page no:14
8. Write notes on i) consecutive reaction ii) Parallel iii) opposing.
Page no:18 to 20 (Mar & June-08)
9. A first order reaction is 75% complete in 100 minutes. What are
the rate constant and half life period of the reaction? (Oct 09)
10. Problems: Solved problems in text book (volume II)
Page no 5 → Example (N2O5 decomposition)
Page no 6 → Example (H2O2 decomposition)
Page no 8 → Compound A problem (Mar 09),
Thermal decomposition of N2O
Page no 9 → 99.9% problem, page no: 13(Methyl acetate problem)
11. Solve the problems Page no 22, 23. Q. No 5, 6 and 8. (all the above
mentioned problems are given in model question papers)
For Question Number 59:
Note: Problem based on Nernst equation more chance.
1. Derive Nernst equation. * Page no:92 to 94( Oct 06, Mar 09)
2. How is e.m.f of a half cell determined? Page no: 86,87
3. How SHE constructed? Which is the e.m.f of it? What is the use of
it? Page no:87 and 88 (Oct 09)
4. Write an account on cell Terminology Page no:84 (June 09)
5. Calculate the e.m.f of the cell Zn, 2n2+ 2Ag+, Ag E˚ cell = 1.56 at
273K. Concentration 2n2+ is 0.1M and Ag+ = 10M.
Page no:96 and 97 (Mar 06, June 06, 07 & 08, Oct 08, Mar10,
Oct 10)
6. The e.m.f of the half cell Cu2+(aq)/Cu (s) containing 0.01 M Cu2+
solution is +0.301 V. Calculate the standard e.m.f of the half cell
Page no:101 (Mar 07, June 10) 7. Determine standard e.m.f of a cell and standard free energy
change of the cell reaction Zn, Zn2+, Ni2+, Ni. The standard
94
reduction potentials (E˚) of Zinc -0.76 V and nickel -0.25 V.
Page no:92 (Oct 07, Mar 08)
8. Calculate the e.m.f of Zn – Ag cell. Zn → 0.001M, Ag → 0.1M. The
standard potential of Ag Half cell → +0.80V, Zn Half cell → -0.76V.
Page no:95,96
9. How will you predict the feasibility of a reaction with the help of
electro chemical series?
10. Calculate the e.m.f of a cell Cd | Cd2+ Cu | Cu2+ and determine
the cell reaction. The standard reaction potentials of copper and
cadmium are 0.34V and -0.40V. predict feasibility of the cell
reaction. Page no:91 (model papers)
SECTION-C
For Question Number 60:
Note: Normally twisted type question chance. So read properly.
1. Action of anisole with a) HI, b) Nitrating Mixture, c) Br2/FeBr3.
Give any 2 preparation of anisole. Page no: 191.192 (June 08,
Mar 09)
2. Distinguish between aliphatic and aromatic ethers? Page no:192
(Oct 06 & 08, June 09, Oct 09, June 10)
3. Discuss the isomerism in ethers. Page no:183 (June 06, Oct 07)
4. What happens when diethyl ether treated with
a) O2/long contact b) dil. H2SO4
c) Conc. H2SO4 d) Cl2/dark
Page no: 186 to 188 (Mar 07)
5. What are ethers? How are they classified? Give examples. Page
no:182
6. Any three methods of preparing diethyl ether. Page no:184,185
(June 07, Mar 08,Mar 10)
7. How Ethers do reacts with HI? Give the significance of the
reaction.* Page no:189 and 191 (Mar-06)
8. Explain the reaction of diethyl ether: (i) as Lewis acid.
(ii) Reaction involving C-O bond. (iii) Grignard reagent
Page no:187,188
9. Illustrate electrophilic substitution reactions of anisole. Page
no: 191,192
10. How does diethyl ether reacts with PCl5 one mole of HI and
excess of HI. Page no: 189 (Oct 10)
For Question Number 61:
Note: Mechanism (or) Naming reaction (or) Distinguish between
chemical properties 1) acetaldehyde 2) acetone 3) benzaldehyde
chance
1. Mechanism of aldol condensation of acetaldehyde. Page no: 207
(Oct 06 & 08, Mar & June 07)
2. Mechanism of aldol condensation of acetone. Page no:207, 208
(Oct 08)
3. Mechanism of crossed aldol condensation. Pageno:208
(June 06, June 10)
4. Mechanism of Cannizaro reaction. Page no:220
(Mar 06, June 08, June 09, Mar 10)
95
5. Mechanism of Claisen (or) Claisen-Schmidt reaction. Page no:221
(Sep -07, Oct 10)
6. Distinguish between Acetaldehyde and acetone. Pageno:228
(Mar-08)
7. Explain ‗Popott‘s rule‘ with an example. Page no:215, 216
(Mar 09)
8. Write a note on (i) Stephen‘s reaction Page no: 204 (ii) Perkin‘s
reactions. Page no:222 (Oct 09)
9. How you convert acetone into (a) mesitylene (b) Mesityl oxide (c)
phorone (d) isopropyl alcohol. Page no:226 and 227
10. What happens when the following compounds reacts with
ammonia (a) HCHO (b) CH3CHO (c) C6H5CHO. Page no:211
11. Compare acetaldehyde and Benzaldehyde. Page no:224
For Question Number 62:
Note: useful for writing Q. No 62 and 68 (b) questions may interchange
mechanism (or) convert the following chance from chemical
properties 1) oxalic acid 2) benzoic acid 3) lactic acid
4)acetamide
1. Mechanism of bromination of salicylic acid. Page no: 263
2. Account for the reducing property of formic acid. Page no: 250
(June 06, June 09 as 68.b, Mar 10)
3. How benzoic acid obtained from; a) Ethyl benzene
b) Phenyl cyanide c)CO2
(Oct 06, Oct 09 as 68.b) Page no:259, 260
4. How oxalic acid manufactured from sodium for mate.
Page no:254, 255 (Oct 07)
5. Convert the following
(i) Lactic acid to Lactide Page no:253
(ii) Succinic acid to succinimide Page no:256
(iii) Salicylic acid to aspirin Page no:263 (iv) methyl salicylate
Page no:264 (v) Benzonic acid to benzyl alcohol.
Page no:261 (June 07, Oct 08,)
6. Distinguish between formic acid and acetic acid. Page no:250
(Mar 07)
7. Explain the mechanism of esterification involving carboxylic acid
and alcohol Page no:246,247 (Mar 08,Oct 09)
8. How lactic acid manufactured? How it convert into cyclic diester?
Page no:251, 252,253 (Mar 06)
9. What happens when (i) oxalic acid treated with Ammonia. Page
no:256 (ii) Benzonic acid treated with PCℓ5 Page no:260
(June 08)
10. Explain the mechanism of Kolbe‘s reaction. Page no:262(Mar 09)
11. What happens when lactic acid is (a) treated with dil. H2SO4,
(b) with PCℓ5 (c) oxidized with acidified KMnO4 (d) tenfon‘s
reagent.(June 09,June 10)
12. Explain the reaction of CH3CONH2 with i)P2O5 ii)Br2/NaOH iii)
hydrolysis by an acid. Page no:270 (Oct 10)
For Question Number 63:
Note: Twisted questions (or) two 3 marks combine as 5 marks
question. Chance
96
1. Write a note on Buna rubbers? Mention its uses?
Page no:338,339 (Mar 07 & 08)
2. Explain the characteristics of rocket propellant?
Page no:337,338 (Mar 06, June 06, 07 & 08, Oct 07, Mar 09)
3. Explain briefly on colour and structure of dyes. Page no:335,336
(Oct 08 & 09&10) 4. Give the characteristic of a dye. Page no:335 (June 09) 5. Write the preparation of Buna - S and nylon66. Page no:
339,340. (Mar 08) 6. Write the preparation of any three condensation polymers. Page
no: 339.340. 7. Write a note on Anesthetics. Page no:333 (Oct 06, Mar10)
S. No UNITS MAX QUS. Normally. Q.No
1 Atomic structure II And P-block 1 64a & 64b
2 Co-ordination compounds And Nuclear chemistry
1 65a & 65b
3 Solid state II And Surface chemistry
1 66a & 66b
4 Electro chemistry And Electro chemistry II
1 67a & 67b
5 Isomerism in organic chemistry And Carboxylic acids Or Hydroxy derivative (less
1 68a & 68b
chance)
6 Organic nitrogen compounds And Biomolecules
1 69a & 69b
7 Hydroxy, carbonyl, carboxylic(inter related) And D-block
1 70a & 70b
8. EITHER-OR
8
Carbonyl ,carboxylic ,organic nitrogen(inter related)& Electro chemistry I
1 70c & 70d
For Question Number 64 (a) & (b):
Hint: one question direct another indirect (or) twisted (or) two 3
marks combine as 5 marks. So writing both 64(a) and 64(b) is
difficult so prepare well.
1. Write a note on Pauling and Milliken's scale of electro negativity.
Page no: 43,44
97
2. How is fluorine isolated from their fluorides by Dennis method?
Page no:68 (Mar 06, Oct 09)
3. What are the factors affecting ionisation energy?(ANY 3)
Page no:38, 39 (June 08)
4. Explain the various factors affecting electron affinity.
Page no:41, 42 (June 06 & 07, Mar 07 & 09, Oct 06)
5. How are noble gases isolated from air (Ramsay and Dewar‘s
method)Page no:74, 75 (Oct 06, June 06 & June 09,Mar 10)
6. Illustrate: i) tribasic nature of orthophosphoric acid Page no:61
ii) Reducing property of phosphorous acid Pageno:60
(June 07)
7. Explain Pauling method to determine ionic radii? Page no:34, 35
(Mar 06, Oct 09,Mar 10, June 10, Oct 10)
8. Discuss the structure of interhalogen compounds of AX and Ax5
type. Page no:71 and 72 (Oct 07)
9. How electro negativity values help to find out the nature of
bonding between atoms? Page no:45 (Oct 07, June 09)
10. What are silicones? How are they prepared? Mention its uses.
Page no:51, 52 (Mar 07)
11. Extraction of lead from galena. Explain. Pageno:53, 54(June 08)
12. How are atomic radii calculated from covalent bond length?
Page no: 32, 33
13. Explain the Pauling scale for the determination of electro
negativity. Give the disadvantage of Pauling scale. Page no:43
(Mar 08)
14. Write any five points about the anomalous nature of fluorine.
Page no:67 (Mar 08 & 09, June 10, Oct 10)
15. Explain how electro negativity values help to find out the
percentage of ionic character in Polar covalent bond. Page no:45
(Oct 08)
16. Explain the following i) dehydrating property of P2O5 Page no:60
ii) oxidizing power of fluorine. Page no:66
17. Discuss the property of interhalogen compound of AX3 and AX5
type Page no:71, 72
18. Write a note on halogen hydrides. Page no:66, 67
For Question Number 65 (a) & (b):
Hint: one question direct another indirect (or) twisted (or) two 3
marks combine (as 5 mark). Problem from Nuclear chemistry
as 65 (b) is chance. Writing both (a) and (b) are difficult. So
prepare well.
1. Differentiate nuclear reactions & chemical reactions.
Page no:137 (Mar 09)
2. Explain the terms (1) Neutral ligand (2) Chelates
(3) Co-ordination sphere (4) Central metal atom
(5) Co-ordination number Page no:117, 118(Oct 08)
3. Mention the uses of radio isotopes in study of hydrolysis of ester
and in mechanism of photosynthesis. Page no:142, 143(Oct 08)
98
4. Explain nuclear fission reaction with example.
Page no:139 (June 08)
5. Explain the geometrical Isomerism in co-ordination compound.
Page no:123 to 125
6. Explain the nuclear reaction that take place in sun.
Page no:142 (June 07)
7. Explain the principle underlying the function of hydrogen bomb.
Page no:141 (Mar 07)
8. Explain the postulates of valence bond theory.
Page no:127 (Mar 09)
9. Explain radio carbon dating. Mention the uses. Page no:141,142
(Mar 08, Oct 06 & 07, June 06, Mar 10, June 10, Oct 10)
10. Give the postulates of Werner's theory of co-ordination
compounds. Page no: 126 (June 06, 07 & 08, Oct 07 & 09)
11. Mention the function of hemoglobin in nature process?
Page no:131
12. Explain the uses of radioactive isotopes with specified examples.
Page no:143 (Mar 06, June 09)
13. What is controlled and uncontrolled fission reaction?
Page no: 139, 140
14. [Ni (CN)4]2- is diamagnetic whereas [Ni (NH3)4]2+ is paramagnetic.
Explain. Page no:128 (Mar 07, June 10)
15. [Cu (NH3)4]2+ is square planar, where as [Ni Cl4]2- Is tetrahedral
explain.
16. Difference between nuclear fusion and fission reactions (Oct 09)
17. Solved problems:
Example 3 Cobalt 60. 5.26 yrs (refer text book vol. I Page no 144)
Example 4 (refer text book vol. I Page no 145, 146)
18. In what way complex salt differ from double salt?
Page no:115, 116
19. Define (i) Target nuclear (ii) Recoiled nuclear
(iii) Ejected particle with example. Page no:138
20. Mention the type of hybridization and magnetic property of the
following complexes using VB theory: Page no:129
i) [FeF6]4- ii) [Fe(CN)6]4- (Mar 06)
21. Apply VB of find out the geometry of [Ni(NH3)4]2+ and calculate it‘s
magnetic moment. Page no: 128 (Oct 06).
22. Explain hydrate and linkage isomerism with suitable example.
Page no: 122 (Mar 10)
23. Explain coordination and ionization isomerism with suitable
example Page no: 121,122 (Oct 10)
For Question Number 66 (a) & (b):
Hint: Normally March question papers book back questions from
both units chance. So read all book back questions properly.
99
Even book back question in SURFACE CHEMISTRY twisted
(more chance)
1. Explain Bragg's spectrometer method. Page no:157
(Mar 08, June -06 & 09, Oct 06, 07 & 09, Mar 10)
2. Write a note on electro-osmosis. Volume II Pageno:40
(June 08, Oct 07)
3. Write briefly about the preparation of colloids by dispersion
method. Page no:34, 35 Volume II (Mar 08, June 06)
4. Explain the chemical methods of preparing colloids (or)
condensation method. Page no:35,36 Volume II
(June 07, Oct 06,June 10,Oct 10)
5. Explain the nature of glass. Page no: 162 (Mar 07)
6. What do you mean by ionic crystal? Write the properties of ionic
crystal. Page no: 158 (June 07)
7. Explain Schottky and Frenkel‘s defects in crystals. Page no:160
(Mar 06 & 09 Oct 08,June 10, Oct 10)
8. What are super conductors? Write their uses. Page no:161,162
(June 08)
9. Explain AB & AB2 type of ionic crystal with example. Page no:159
10. Write briefly on adsorption Theory of catalysis. Volume II
Page no:30, 31 (Mar 06 & 09)
11. Write briefly on intermediate compound functions theory with an
example. Page no: 30(Volume II) (Mar 07 & Oct 08)
12. Give any five differences between physical adsorption and
chemical adsorption. Page no:25 Volume II (June 09)
13. Write a note on; (a) Auto catalyst (b) Promoters Page no:28,29
Volume II (Oct 09)
14. Discuss factors affecting adsorption. Page no:25, 26 Volume II
15. Write a note on emulsion. Page no:42 Volume II
16. Explain Brownian movement and Tyndall effect. Page no:38
Volume II.
17. write a note on a)electro dialysis b)ultra filtration Page no:36,38
(Volume II)
For Question Number 67 (a) & (b):
Hint: Normally one question standard and another twisted (chance)
Problem also possible from electro chemistry II (Nernst based
problem)
1. Describe Daniel cell. Page no:83 (June 07, Oct 09)
2. Derive Nernst equation Page no:92 to 94
(June & Oct 08, June 06, June 10, Oct 10)
3. How is e.m.f of a half cell determined? Page no:86, 87 (Mar 08)
4. Describe Henderson equation for an acidic buffer solution?
Page no:70,71,72 (Mar 08, June 07, Oct 06)
5. Explain Oswald dilution law? Page no:52, 53
(Mar 06,Mar 07 , Oct 08)
100
6. Establish a relationship between free energy& e.m.f.
Page no:91, 92 (Oct 06 & 07, June 09)
7. Write the IUPAC convention of repetition of cell.
Page no:84 to 86 (Mar 06, 07 & 09, Mar 10)
8. Describe the construction and function of standard hydrogen
electrode. Page no:87, 88
9. Explain buffer action of acidic buffer with example. What is buffer
solution? Page no:69 and 70 (Oct 09)
10. Explain Quinonoid Theory of indicators.
Page no:76, 77 (Oct 07, June 08,Mar 09, Oct 10) 11. Explain Ostwald Theory of indicator. Page no75, 76(June 10) 12. Write the postulates of Arrhenius Theory of electrolytic
dissociation. Page no:49 to 51 (June 09,June 10)
13. How would you predict the displacement of one metal by another
metal? Page no: 90 14. State and explain Kohlraush‘s Law. Page no:61 15. Write any three applications of Nernst equation.
Page no:94,95,96 16. What is common ion effect? Give three examples. Page no:63 17. Give the evidence for Arrhenius Theory. Page no:51 and 52
(Mar 10) 18. How will you choose indicators for various types of titrations?
Explain with titration curve. Page no:74, 75
For Question Number 68 (a) & (b):
Hint: Normally one question standard and another twisted type.
Writing both the question is difficult. Convert the following
more chance from carboxylic acid
1. Convert; (1) Salicylic acid → methyl salicylate Page no:264
(2) Lactic acid → pyruvic acid Page no: 253
(3) Methyl cyanide →Acetamide page no :269
(4)Methyl acetate→ Ethyl acetate. Page no:268 (Mar 08)
2. What happens when Lactic acid is; Page no:253
(i) treated with dil. H2SO4
(ii) heated alone
(iii) oxidised with alkaline KMnO4? (Mar 07)
3. Describe the conformations of cyclohexanol. Comment their
stability. Page no: 108 (Mar 07,Mar 10,Oct 10)
4. Discuss the optical isomerism in tartaric acid.Page no:112,113
(June 06 & 08, Oct 08, Mar 09,June 10)
5. Distinguish between enantiomers from diastereomers. Give an
example each. Page no:114 (Mar 06 & 08)
6. Distinguish meso from with racemic form with suitable example.
Page no:113 (Oct 06)
7. Explain internal and external compensation with suitable
example. Page no:112, 113 (June 07)
101
8. Convert the following:
Salicylic acid → aspirin page no:263
Salicylic acid → 2, 4, 6, tribromophenol Page no:264
Salicylic acid → methyl salicylate.Page no: 264
Lactic acid →Lachide Page no:253 (June 06,June 10)
9. Write the mechanism involved in the esterification of carboxylic
acid with alcohol. Page no:246,247 (Mar 06,June 07, Mar 08)
10. Mechanism: Bromination of salicylic acid. Page no:263
(Oct 07 & 08)
11. Discuss the isomerism exhibited by carboxylic acid. Page no: 242
(Oct 06)
12. Write a note on Cis-trans Isomerism. Page no:103,104
(Oct 07 & 09, June 09)
13. Explain the Isomerism exhibited by di substituted benzene.
Page no:116 to 118
14. Explain i) Kolbe‘s electrolytic reaction Page no: 249 and ii) Trans
estertification reaction. Page no:268 (Mar 10)
15. How is Oxalic acid manufactured from Sodium Formate. Page
no:254, 255 (Oct 10)
For Question Number 69 (a) & (b):
Hint: One question standard and another twisted, more chance for
convert the following from organic nitrogen compounds.
1. How is the structure of glucose determined? Page no:320 to 322
(June 06, Mar 09, June 10)
2. Discuss the structure of fructose in detail. Pageno:320to322
(Mar 06 & 07, Oct 07 & 08, June 09, Oct 09,Oct 10)
3. Out line the classification of carbohydrates giving an example for
each. Page no:318to320 (Mar 08, June 07 & 08,Mar 10)
4. What is peptide bond? Illustrate the formation of peptide bond in
glycylalanine. Draw the structure of glucose and fructose.
Page no:327 (Oct 06)
5. Convert the following:
a) Nitro benzene → phenol hydroxylamine Pageno:284
b) Aniline → phenyl isocyanides Pageno: 301
c) Benzene diazonium chloride biphenyl Pageno:308
d) Nitro methane → methyl amine. Pageno:280
e) Methyl amine → methyl isocyanides pageno:294
(June 07, Oct 06)
6. Distinguish between primary, secondary& tertiary amine.
Pageno:295 (Mar 06 & 09, June 06 & 09, Oct 07 & 09,Mar 10,Oct 10)
7. Explain the Gabriel‘s phthalimide synthesis Pageno:291 and
mustard oil reaction. Page no:294 (Mar 09)
8. Mechanism of nitration of benzene. Page no 282 t0 283
9. Mechanism of Hoffman‘s bromamide reaction. Page no:290
10. How phenol, chlorobenzene, biphenyl prepared by using benzene
diazonium chloride. Page no:306,307,308(Mar 08)
11. Write a note on the reduction nitrobenzene under different
conditions. Page no:284, 285 (Mar 07,June 10)
12. Biological importance of lipids. Page no:328 (chance)
13. How does Nitric acid react with Primary, secondary and tertiary
Amine. Page no:294 (June 08)
102
14. Explain the following reaction aniline:
i) Coupling reaction Page no: 308 ii) Schotten-Baumaan
reaction Page no: 300 iii) Carbylamine reaction Page no: 294
15. Write a note on amino acids Page no: 326,327
16. Write a short note on i) starch ii) cellulose Page no: 325,326
17. Write a note on Iso-electric point and di-peptide. Page No. 327.
To solve 70.A and 70.C Organic problems from i) Hydroxy Derivatives ii)
Carbonyl Compounds iii) carboxylic acid iv) organic nitrogen
compounds(interrelated between all these four chapter’s)
Points to remember to solve70 A (or) 70 C. (Total - 28 points)
1. Alcohols when treated with sodium. Liberate hydrogen.
2.
3. Secondary alcohol gives ketone
4. Phenols give violet colour with neutral Fecl3
5. Phenols give a white precipitate when treated with bromine water
(test for phenols). Brown colour of bromine water disappears.
6. In Victor‘s Meyer‘s test → Primary alcohol gives red colour.
Secondary alcohol gives blue colour.
Tertiary alcohol gives no colour.
7. In Lucas test → Tertiary alcohol give turbidity immediately
Secondary alcohol give turbidity slow.
Primary alcohol give no turbidity
8. For a compound to give Iodoform test it should have either
CH3 — CH — group (or) CH3 — C — group.
| OH O
9. Decarboxylation is done by heating the compounds with soda
lime
10. Organic acid effervescence with sodium bicarbonate. (June-
2007)
11. Acetaldehyde, acetone, ethyl alcohol and acetophenone give
yellow precipitate with I2 and alkali
12. Benzaldehyde, formaldehyde, acetaldehyde and acetone
give addition compounds with sodium bisulphite
13. Amide or alkyl cyanide-give ammonia on hydrolysis
14. Aromatic fuming compound is benzoyl chloride and
aliphatic fuming compounds is acetyl chloride
15. Primary alcohols on oxidation give Aldehyde and Aldehyde
on oxidation give acids.
16. Secondary alcohols on oxidation give ketones and ketones
on oxidation give acids of lesser no. Of carbon atom.
17. Aldehydes on reduction primary alcohols ketones on
reduction secondary alcohols.
18. Acetaldehyde contains alpha hydrogen so it under go aldol
cond.
103
19. C6H5CHO, HCHO, CCl3 CHO have no alpha hydrogen so it
under go Cannizaro condensation.
20. A compound to undergo Iodoform reaction it should have
either CH3CH OH (or) CH3CO group (this point is important)
21. Benzaldehyde (a) it does not reduce Fehling’s solution.
(b) Used to prepare Malachite green dye.
22. Acetophenone (a) Used as hypnotic and perfumery.
23. In presence of dry HCl gas two molecules of acetone
condense to give phorone.
24. With conc. H2SO4 three molecules of acetone gives
mesitylene. (Oct 2009)
25. Benzophenone does not give bisulphate addition product
with NaHSO3.
26. Nitro benzene bitter almonds smell and called as oil of
mirbane.
27. Benzaldehyde bitter almonds smell but m.f.C7H6O. (Mar
2009)
28. Refer all naming reactions given in page no. 240 (Vol-2).
And Kolbe‘s mechanism (June 06, Mar 07). Claisen ester cond. Dry
distillation preparation of acetophenone and Benzophenone
(Mar- 08) Fenton‘s reagent (June 08). Baeyer‘s reagent (June 09).
Refer HYDROXY Derivatives to solve 70. A or70.C problems
1 Page No: 130-131 Ethyl alcohol reaction with sodium, Lucas
test, copper (June 06, 07 & 09, Mar 09)
2 Page No: 134-135 Ethyl alcohol reaction with acidified
KMnO4 Iodoform test. (June 06, 07, Mar 09)
3 Page No: 136-137 Victor Meyer‘s test. (Mar 07)
4 Page No: 147 Synthesis of Glycerol.
(general board exam paper Mar 07)
5 Page No: 152-153 Preparation of benzyl alcohol. Properties of
benzyl alcohol.
6 Page No: 154 Benzyl alcohol oxidation reactions.
7 Page No: 157 Preparation of phenol.
8 Page No: 152-153 Phenol reaction with NaOH and Na.
9 Page No: 165
(Very important)
Phenol on reaction with benzene diazonium
chloride, Kolbe Schmidt (or) Kolbe‘s reaction,
Riemer-Tiemann reaction. (Oct 07)
Refer carbonyl compounds to solve 70 (a) or (c) Problems
1 Page No: 200 Oxidation of alcohols→ acetaldehyde (or)
acetone
2 Page No: 211 Reaction with ammonia →
a)acetaldehyde b)formaldehyde c)acetone
3 Page No: 214-215
(very important)
Acetaldehyde (or) acetone reaction with
NaBH4 Clementon, Wolff Kishner, Tollen‘s,
Fehling‘s solution reaction
4 Page No:216-217
(very important)
Acetaldehyde answer with Tollen‘s and
Fehling‘s test, formaldehyde and acetaldehyde
polymerisation reaction (June- 2006,Mar-2009)
5 Page No: 219 Chemical properties of Benzaldehyde. (Mar 08)
6 Page No: 221 Benzaldehyde reaction with aniline,
104
(very important) Cannizaro reaction, Claisen, Benzoin
condensation. (Mar 06,Oct 06, June 08)
7 Page No: 222
(very important)
Perkins reaction, Knoevenagal reaction and
Benzaldehyde electrophilic substitution
reaction. (Mar-2006,Oct-2008)
8 Page No: 226-227
(Very important)
Acetone on reaction with oxidizing agents,
LAH, Clementon, Halo form reaction,
Ammonia, chloroform, preparation of Mesityl
oxide, phorone and with conc.H2SO4.
9 Page No: 229 Preparation of acetophenone, Clementon,
Wolff Kishner
10 Page No: 230-231 Preparation of benzophenone and its
properties
Refer Carboxylic acid to solve 70.A (or) 70.C problem
1 Page No: 243 to 245 Preparation of acetic acid, Formic acid.
2 Page No: 247 to 250
Chemical properties of acetic acid and
Formic acid, reducing properties of Formic
acid.
3 Page No: 252 to 253 Preparation and chemical properties of
lactic acid. (Oct 08)
4 Page No: 255 to 256 Preparation and chemical properties of
oxalic and Succinic acid.
5 Page No: 259 to 261
Preparation, chemical properties till
electrophilic substitution of Benzoic acid.
(Mar 08)
6 Page No: 262
very important Kolbe‘s mechanism (Oct 06, Mar 07)
7 Page No: 263 to 264
very important Chemical properties of salicylic acid.
(Oct 06, Mar 07)
8 Page No: 269 to 270 Preparation and chemical properties of
acetamide.
Refer Organic Nitrogen Compounds to solve 70.A (or) 70.C problem
1 Page No: 284 to 286 Chemical properties of nitro benzene till
electrophilic substitution reaction. (important)
2 Page No: 289 to 291 Preparation of amines. (repeated)
3 Page No: 293 to 295 Chemical properties of methylamine
(repeated)
4 Page No: 297 to 298 Chemical properties of benzyl amine.
5 Page No: 298 to 302 Preparation, chemical properties of aniline.
(repeated)
6 Page No: 304 Chemical properties of methyl cyanide
(repeated)
7 Page No: 306 to 308 Chemical properties of Benzene diazonium
chloride. (chance)
105
1. An organic compound (A) of molecular formula C7H6O is not reduced
by Fehling‘s solution but will undergo Cannizzaro reaction.
Compound (A) also reacts with Aniline to give compound (B).
Compound (A) also react with Cl2 in the presence of catalyst to give
compound (C). Identify (A),(B),(C) and explain the reaction. (Mar 06)
ANSWER: (A) Benzaldehyde (B) Benzanilide
(C)m-Chlorobenzaldehyde
2. An organic compound (A) C2H6O liberates hydrogen on treatment
with metallic sodium. (A) on mild oxidation gives (B) C2H4O which
answer iodoform test. (B) when treated with conc.H2SO4 undergo
polymerization to give (C), a cyclic compound. Indentify (A),(B),(C)
and explain the reactions.(June 06)
ANSWER: (A) Ethyl alcohol (B) Acetaldehyde (C)Paraldehyde
3. An organic compound A(C7H6O) reduces Tollen‘s reagent. On
treating with an alkali compound A form B and C. B on treating with
sodalime forms benzene and C(C7H8O) is an antiseptic. Identify
compounds A,B and C. Explain the reactions.(Oct 06).
ANSWER: (A) Benzaldehyde (B) Benzoic acid (C)Benzyl alcohol
4. An organic compound A of molecular formula C3H6O on reduction
with LiAlH4 gives B. Compound B gives blue colour in Victor meyer‘s
test and also forms a chloride C with SOCl2. The chloride on
treatment with alcoholic KOH gives D. identify A,B,C and D and
explain the reactions. (Mar 07).
ANSWER: (A) Acetone (B) Isopropyl alcohol (C) Isopropyl chloride
(D)Propylene
5. An organic compound (A) C3H8O answer Lucas test with in 5-10
minutes and on oxidation forms B (C3H6O). This on further oxidation
forms C (C2H4O2) which gives effervescence NaHCO3 . B also
undergoes iodoform reaction. Identify A,B and C. Explain the
coversion of A to B and C. (June 07).
ANSWER: (A) Iso-propyl alcohol (B) Acetone (C) Acetic acid
6. An organic compound (A) of molecular formula C6H6O gives violet
colour with neutral FeCl3. (A) gives maximum of two isomers (B) and
(C) when an alkaline solution of (A) is refluxed with CCl4. (A) also
react with C6H5N2Cl to give the compound (D) which is red orange
dye. Identify (A),(B),(C) and (D). Explain with suitable chemical
reactions.(Oct 07)
ANSWER: (A) Phenol (B) O-Salicyclic acid (C) p-Salicyclic acid (D)p-
Hydroxy azo benzene
7. Compound A with molecular formula C3H6 is obtained from
Petroleum. When A is treated with chlorine at 773 K compound B of
molecular formula C3H5Cl is obtained. When B is treated with
106
Na2CO3 solution at 773/12 atm. It gives the compound C with
molecular formula C3H6O, Con treatment with HOCl followed by
hydrolysis with NaOH give D having molecular formula C3H8O.
compound C on treatment with 50% caustic soda gives compound B
and also D. Find A,B,C and D. Explain the reaction.(Mar 08)
ANSWER: (A) Propyl (B) Allyl chloride (C)Allyl alcohol (D) Glycerol
8. Compound A of molecular formula C7H8 is treated with chlorine and
then with NaOH to get compound B of molecular formula C7H8O. B
on oxidation by acidified K2Cr2O7 gives compound C of molecular
formula C7H6O. Compound C on treatment with 50% caustic soda
gives the compound B and also D. Find A,B,C and D. Explain the
reaction.(June 08)
ANSWER: (A) toluene (B) Benzyl alcohol (C) Benzaldehyde
(D) Sodium Benzoate
9. An organic compound (A) C7H8O liberates hydrogen with metal
sodium. (A) on treatment with acidic potassium dichromate give (B)
(C7H6O). Compound (B) when treated with conc.N2H4 & NaOH /KOH
gives (A). (B) with acetic anhydride in the presence of Sodium acetate
gives (C) of molecular formula (C9H8O2). Identify (A),(B) and (C).
Explain the reaction revolved. (Oct 08)
ANSWER: (A)Benzyl alcohol (B)Benz aldehyde (C)Cinnamic acid
10. Two isomers (A) and (B) have the same molecular formula C4H10O.
(A) when heated with copper at 573K gives alkene (C) of molecular
formula C4H8.(B) on heating with copper at 573K gives (D) of
molecular formula C4H8O which does not reduces Tollen‘s reagent
but answer iodoform test. Identify (A),(B),(C) and (D) and explain the
reactions.(Mar 09)
ANSWER: (A)Tertiary butyl alcohol (B)Secondary butyl alcohol
(C)Isobutylene (D) Ethyl methyl ketone.
11.An organic compound (A) C3H8O answer Lucas test within 5-10 min
On oxidation form (B) C3H6O. (B) on further oxidation forms (C)
C2H4O2 which gives effervescence with NaHCO3.(B) also undergoes
Iodoform reaction. Identify A,B,C. Explain the reaction involved.
(June 09)
ANSWER: (A) Iso-propyl alcohol (B) Acetone (C) Acetic acid
12. Compound (A) of molecular formula C3H8O liberates hydrogen
With sodium metal.(A) with P/I2 gives (B). Compound (B) on
Treatment with silver nitrate gives (C) which gives blue color with
Nitrous acid. Identify (A),(B),(C) and explain the reaction.(Oct 09)
ANSWER: (A)2-propanol (B)2-iodopropane (C)2-nitro propane.
13. Compound (A) with molecular formula C6H6O gives violet colour
With neutral FeCl3. Reacts with CHCl3 and NaOH and gives two
Isomer‘s (B) and (C) with molecular formula C7H6O2.
Compound (A) reacts with ammoniaat 473 K in the presence of
ZnCl2and gives compound (D) with molecular formula C7H7N.
107
Compound (D) with molecular formula C7H7N. compound (D)
Undergoes carbylamines test. Identify (A),(B),(C) and (D) and
Explain the reactions.(Mar 10)
ANSWER: (A)phenol (B)O-hydroxy benzaldehyde (C)p-
hydroybemaldehyde (D) Aniline.
14. An organic compound C6H6O (A) reacts with Al2O3 at 620K and
Gives (B) of molecular formula C2H4. (B) reacts with cold alkaline
KMnO4(Baeyer‘s reagent) to give (C) of molecular formula C2H6O2.
Identify (A),(B) and (C) and explain the reaction.(June 10)
ANSWER: (A) Ethyl alcohol (B) ethylene (C)Glycol
15. An organic compound (A) (C6H6O) gives maximum of two isomers
(B) and (C) when an alkaline solution of (A) is refluxed with
Chloroform. (B) on oxidation gives acid (D). The acid (D) is also
Obtained by treating sodium salt of (A) with CO2 under pressure
Followed by hydrolysis. Identify the compound (A),(B),(C) and (D)
And explain proper chemical reactions.(Oct 10)
ANSWER: (A)phenol (B)O-hydroxybenzaldehyde
(C)p-hydroxybenzaldehyde (D) salicylic acid.
1. An organic (A) of molecular formula C3H8O gives turbidity within
5-10 min on reaction with anhydrous ZnCl2/HCl. Compound (A)
On treatment with sodium hypochlorite gives a carbonyl
Compound (B) which on further chlorination gives compound (C)
Of molecular formula C3H3OCl3. Identify (A),(B),(C). explain the
Reaction. (Mar 06).
ANSWER: (A)isopropyl alcohol (B)Acetone (C)trichloroacetone
2. An organic compound (A) of molecular formula C2H6O on
Treatment with PCl5 give compound (B). compound (B) reacts
With KCN to gives a compound (C) of molecular formula C3H5N
Which undergoes acid hydrolysis to give compound (D) which on
Treatment with sodalime gives a hydrocarbon. Identify (A),(B),(C)
And (D) and explain the reaction.(June 06).
ANSWER: (A)ethyl alcohol (B) ethyl chloride (C) ethyl cyanide
(D) propanoic acid (hydrocarbon is ethane obtained from
(D) propanoic acid)
3. An organic compound (A) of molecular formula C6H6O gives violet
colouration with neutral FeCl3. Compound A on treatment with
metallic Na gives compound B. Compound B on treatment with CO2
at 400K under pressure gives C. This product on acidifcication gives
compound D(C7H6O3) which is used in medicine. Identify A,B,C and
D and explain the reactions. (Oct 2006)
ANSWER: A:Phenol, B:Sodium Phenoxide C:Sodium Salicylate
D:Salicyclic acid
4. An Organic compound A(C6H60) gives maximum of two isomers B
and C when an alkaline soultion of A is refluxed with chloroform at
330K. B on Oxidation gives an acid D. The acid D is also obtained
by treating sodium salt of A with CO2 under pressure. Identify
A,B,C and D and explain the reactions.(Mar 2007)
ANSWER: (A) Phenol, (B) o-Hydroxybenzaldehyde (C) p-
Hydroxybenzaldehyde (D) Salicylic acid.
5. An organic compound A(C7H60) forms a bisulphate. A when treated
with alcoholic KCN forms B(C14H12O2) and A on refluxing with
sodium acetate and acetic anhydride forms an acid C(C9H8O2).
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Identify A,B and C. Explain the conversion of A to B to C.(June
2007)
ANSWER: A: Benzaldehyde B:Benzoin C:Cinnamic Acid
6. An organic compound aldehyde (A) of molecular formula C7H6O
which has the smell of bitter almonds on treatment woth (CH3CO)2O
and CH3COONa to give compound (B) which is an aromatic
unsaturated acid. (A) also reacts with (A) in the presence of
alcoholic KCN to give dimmer (C). Identify (A), (B) and (C). Explain
the conversion of A to B to C. (Oct 2007.
ANSWER: A:Benzaldehyde B:Cinnamic Acid C:Benzoin
7. Compound A with molecular formula C7H6O reduces Tollen‘s
reagent and also give Cannizzaro reaction. A on oxidation gives the
compound B with molecular formula C7H6O. Calcium salt of B on
dry distillation gives the compound C with molecular formula
C13H10O. Find A,B and C. Explain the reaction. (Mar 2008)
ANSWER: A:Benzaldehyde B:Benzoic Acid C:Benzophenone.
8. Compound A having the molecular formula C2H4O reduces Tollen‘s
reagent. A on treatment with HCN followed by hydrolysis gives the
compound B with molecular formula C3H6O3. Compound B on
oxidation by Fenton‘s reagent gives the compound C with molecular
formula C3H4O3. Find A,B and C. Explain the reactions (June 2008
and Oct 2008)
ANSWER: A:Acetaldehyde B:Lactic Acid C:Pyruvic Acid.
9. An organic compound (A) with molecular formula C7H6O has the
smell of bitter almonds. (A) reacts with Cl2 in the absence of a
catalyst to give (B) and in the presence of catalyst compound (a)
reacts with Chlorine to give (C). Identify (A), (B) and (C). Explain the
reactions. (Mar 2009)
ANSWER: A:Benzaldehyde B:Bencoyl Chloride C:m-Chloro
Benzaldehyde.
10. An Aromatic compound (A) with molecular formula C2H6O
liberates hydrogen with metallic sodium. Compound (A) on heating
with excess of conc.H2SO4 at 440K gives an alkene (B). Compound (B)
when oxidized by Baeyer‘s reagent gives compound (C). Identify A,B,C
and explain the above reactions.(June 2009)
ANSWER: A:Ethyl Alcohol B:Ethylene C:Ethyl Glycol.
11.An organic compound (A) C2H3OCl on treatment with Pd and BaSO4
gives (B) C2H4O which answers iodoform test. (B) when treated with
conc. H2SO4 undergoes polymerization to give (C) a cyclic compound.
Identify (A), (B) and (C) and explain the reaction.(Oct 2009)
ANSWER: A:AcetylChloride B:Acetaldehyde C:Paraldehyde
12.Compound (A) with molecular formula C2H4O reduces Tollen‘s
reagent (A) on treatment with HCN gives compound (B). Compound (B)
on hydrolysis with an acid gives compound (C) with molecular formula
C3H6O3. Compound (C) is optically active. Compound (C) on treatment
with Fenton‘s reagent gives compound (D) with molecular formula
C3H4O3. Compounds (C) and (D) give effervescence with NaHCO3
solution. Identify the compounds (A), (B), (C) and (D) and explain the
reaction.(Mar 2010)
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ANSWER: A:Acetaldehyde B:Acetalcyanohydrin C:Lactic Acid (Optically
active)
13.Compound (A) of molecular formula C7H8 when treated with air in
presence of V205 at 773K gives a compound (B) of molecular formula
C7H6O , which has the smell of bitter almonds. Alkaline KMnO4
oxidizes compound (B) to (C) of molecular formula C7H6O2.Compound
(B) on treatment with N2H4 and KOH gives back compound (A). Identify
(A), (B) and (C) and explain the reaction.(June 2010).
ANSWER: A:Toluene B:Benzaldehyde C:Benzoic Acid
14.An Organic Compound (A) with molecular formula C3H6O
undergoes iodoform reaction. Two molecules of compound (A) react
with dry HCl to give compound (B) (C6H10O). Compound (B) reacts with
one more molecule of compound (A) to give compound (C) (C9H14O).
Identify (A), (B) and (C). Explain the reaction. (Oct 2010)
ANSWER: A:Acetone B:Mesityloxide C:Phorone.
Refer D-block (or) P-block to solve 70 (b) Problem From D-block
Refer page No. from (Vol-1) reprint edition 2009
1. Copper – period no-4 group no-11 a reddish brown metal Page
No: 88 properties of Copper with air, action of heat, action with
dil. Or Conc.HNO3. (Mar-2006,2007;Oct-2007)
2. Chromium– period no-4 group no-6 a silvery white metal Page
No:91 properties of Chromium with air, water, acids .(June 07)
3. Zinc– period no-4 group no-12 a bluish white metal Page No: 94
properties of zinc with air, dil.HNO3, NaOH. (Oct 06, 08, 09, June 08)
4. Silver – period no-5 group no-11 a white lustrous metal Page
No: 96 properties of silver with acids. (Mar-2008)
5. Gold – period no-6 group no-11 a lustrous yellow metal
6. Potassium dichromate-action of heat, action with NaOH,
oxidizing properties, red orange in colour and used in leather
industry Page No: 99-100
7. Blue vitriol (very important) action of heat, action with NaOH,
H2S with ammonia, KI, KCN pg. no 101-102. (Mar 07, June 09)
(refer book back problem)
8. Silver nitrate action of heat (repeated), action with organic
compounds used in marking inks and hair dyes Page No: 102-
103 (Mar-2008, 2009, June-2006)
9. Zinc carbonate- preparation, action of heat (repeated) used in
making ointment for curing skin diseases Page No: 103. (Oct 06)
70 (b) Problem from P-block (less chance)
1. Lead¸ action with water, acid, chloro plumbic acid, tetra-ethyl
lead Page No: 55
2. Compounds of phosphorus chemical properties of PCl3 or PCl5
Page No: 57-58
110
3. Fluorine action with water and hydrogen. Page No: 73
1. An element (A) belongs to group number 11 and period number
4. (A) is a reddish metal. (A) reacts with HCl in the presence of
air and gives compound (B). (A) also reacts with conc.HNO3 to
give compound (C) with the liberation of NO2. Identify (A), (B) and
(C). Explain the reactions. (Mar 2006)
ANSWER: A:Copper B:Copper Chloride C:Copper Nitrate.
2. Silver reacts with dil.HNO3 to give compound (A) which on
heating at 723K gives (B). (B) on further heating gives (C).
Further compound (A) reacts with KBr and gives (D) which is
highly useful in photography. Identify (A), (B), (C) and (D) and
write the reactions (June 2006)
ANSWER: A:Silver Nitrate B:Silver Nitrile C:Silver and NO2 D:Silver
Bromide.
3. The Sulphide ore of an element of group 12 when roasted gave
compound (A) which on reduction with carbon gave the element
(B). The carbonate (C) of this element is used for skin diseases.
Identify (A), (B) and (C) and write the required reaction. (Oct
2006)
ANSWER: A:Zinc Oxide B:Zinc C:Zinc Carbonate.
4. An element A occupies group number 11 and period number 5.
This metal is extracted from its mixed sulphide ore B. A reacts
with dil.H2SO4 in presence of air and forms C which is
colourless. With water C gives a blue compound D. Identify A,B
and C. and Explain the reactions.(Mar 2007)
ANSWER: A:Copper B:Copper Pyrites C:Copper Suphate D:Copper
Sulphate Pentahydrate.
5. An element (A) belonging to group 6 and period 4 is silvery white
in colour. Red hot, A decomposes steam liberating hydrogen and
forming B. A also reacts with conc.Suphuric acids forming C
with evolution of SO2. Identify A, B and C. Explain the two
reactions. (June 2007)
ANSWER: A:Chromium B:Chromic Oxide C:Chromic Sulphate.
6. An element (A) belonging to group No.11 and period No.4 is
extracted from pyrite ore. (A) reacts with oxygen at two different
temperatures forming compounds (B) and (C). (A) also reacts
with conc.HNO3 to give (D) with the evolution of NO2. Find out
(A), (B), (C) and (D). Explain the reactions. (Oct 2007)
ANSWER: A:Copper B:Cupric Oxide C:Cuprous Oxide D:Cupric
Nitrate.
7. The metal B is extracted from the ore A. On treatment with
dil.Nitric acid, metal B gives a compound C, which is also known
as Lunar Caustics. The compound C on treatment with KI gives
a yellow precipitate D. Find A, B, C and D. Explain the reactions
of formation of C and D.(Mar 2008)
ANSWER: A:Silver Glance B:Argentite B:Slver C:Silver Nitra te (or)
Lunar Caustic. D:Silver Iodide.
8. A bluish white metal A present in 4th period and 12th group on
heating in air gives a white cloud B. Metal A on treatment with
conc. H2SO4 gives the compound C and SO2 gas. Find A, B and
C. Explain the reactions. (June 2008)
ANSWER: A:Zinz B:Zinc Oxide C:Zinc Sulphate.
9. An element belonging to Group 12 and Period 4 is bluish white
in colour. (A) reacts with hot conc. H2SO4 forming (B) with
111
liberation of SO2. (A) also reacts with dil HNO3 forming (C) with
liberation of N2O. Identify (A), (B) and (C). Explain the reaction
involved. (Oct 2008)
ANSWER: A:Zinc B:Zinc Sulphate C:Zinc Nitra te.
10. Silver Reacts with dil. HNO3 to give compound (A), which on
heating at 723 K gives compound (B). (B) on heating gives
compound (C). Compound (A) reacts with KBr and gives (D) which is
highly useful in photography. Identify (A), (B), (C) and (D). Explain
the reactions. (Mar 2009)
ANSWER: A:Silver Nitrate B:Silver Nitrile C:Silver and NO2 D:Silver
Bromide.
11. Compound A is a sulphate compound of group II element. This
compound is also called as a blue Vitriol. The compound undergoes
Decomposition at various temperatures. (June 2009)
A ------→ B ------→ C ------→ D 100C 230C 720C
Identify the compounds A, B, C and D and give equations.
ANSWER: A: Copper Sulphate Pentahydrate B:Copper Sulphate
Monohydrate C:Copper Sulphate D:Cupric Oxide.
12.A bluish white metal when treated with dilute nitric acid gives
(A) along with zinc nitrate and water. With very dilute nitric acid it
gives (B) along with zinc nitrate and water. The metal when heated
with air gives (C). What are (A), (B) and (C)? Explain the reactions.
(Oct 2009)
ANSWER: A: Nitrous Acid B:Ammonium Nitrate C:Zinc Oxide.
13. An element (A) belonging to group No.11 and period No.4 is
extracted from pyrite ore. (A) reacts with oxygen at two different
temperatures forming compounds (B) and (C). (A) also reacts with
conc.HNO3 to give (D) with the evolution of NO2. Find out (A), (B),
(C) and (D). Explain the reactions. (Mar 2010)
ANSWER: A:Copper B:Cupric Oxide C:Cuprous Oxide D:Cupric
Nitrate.
14. An element A occupies group number 11 and period number 5.
This metal is extracted from its mixed sulphide ore B. A reacts with
dil.H2SO4 in presence of air and forms C which is colourless. With
water C gives a blue compound D. Identify A,B and C. and Explain
the reactions.(June 2010)
ANSWER: A:Copper B:Copper Pyrites C:Copper Suphate D:Copper
Sulphate Pentahydrate.
15.An element (A) Belongs to group 11 and period number 5 and is
a lustrous white metal. (A) reacts with dil.HNO3 to give (B), (B) with
KI gives (C) which is a bright yellow coloured precipitate. Identify
(A0, (B) and (C). Explain the reactions. (Oct 2010)
ANSWER: A:Silver B:Silver Nitrate (Lunar Caustics) C:Silver Iodide.
1. What is the pH of a solution containing 0.5 M propionic acid and
0.5 M sodium propionate? The Ka of propionic acid is 1.34x10-5.
(Mar 2006)
ANSWER: Refer Textbook Vol.II Page No.: 73 (Example 2)
2. Find the pH of a buffer solution containing 0.20 moles per liter
sodium acetate and 0.15 mole per litre, Ka for acetic acid is 1.8 x
10-5. (June 2006)
ANSWER: Refer Textbook Vol.II Page No. 72 and 73 (Example 1)
112
3. Find the pH of a buffer solution containing 0.20 mole per litre
sodium acetate and 0.15 mole per litre acetic acid. Ka for acetic
acid is 1.8 x 10-5. (Oct 2006)
ANSWER: Refer Textbook Vol.II Page No.: 73 (Example 2)
4. Calculate the pH of a buffer solution containing 0.04M NH4Cl
and 0.02 M NH4OH. For NH4OH Kb is 1.8 x 10-5. (Mar 2007)
ANSWER: pKb = 4.7445, pOH-5.0456, pH=8.9544.
5. Equivalent conductivity of acetic acid at infinite dilution is
390.7. For 0.1M acetic acid, the equivalent conductance is 5.2
mho cm2 gm equiv-1. Calculate the degree of dissociation and
hydrogen ion (H+) concentration. (June 2007)
ANSWER: Refer Textbook Page No.: 61 in Vol.I (Example 3)
6. Calculate the pH of a buffer solution containing 0.2 mole per
litre CH3COONa and 0.15 mole per liter CH3COOH. Ka For
acetic acid is 1.8 x 10-5. (Oct 2007)
ANSWER: Refer Textbook Vol.II Page No. 72 and 73 (Example 1)
7. An electric current is passed through three cells in series
containing respectively the solutions of copper sulphate, silver
nitrate and potassium iodide. What weights of silver and iodine
will be liberated while 1.25gm of copper is being deposited? (Mar
2008)
ANSWER: Refer Textbook Vol.II Page No.:56 (Example 4).
8. The equivalent conductance of HCl, CH3COONa and NaCl at
infinite dilution are 426.16, 91.0 and 126.45 ohm-1 cm2 (gram
equivalent)-1 respectively. Calculate the equivalent conductance
of acetic acid. (June 2008)
ANSWER: Refer Textbook Problem in Vol.II Page 81, Problem No. 10.
9. Find the pH of a buffer solution containing 0.30 mole per litre of
CH3COONa and 0.15 mole per litre of CH3COOH. Kα for acetic
acid is 1.8 x 10-5. (Oct 2008)
ANSWER: pKa = 4.7447, pH=5.0457.
10. 0.1978g of copper is deposited by a current of 0.2 ampere in 50
minutes. What is the electrochemical equivalent of copper? (Mar
2009).
ANSWER: Refer Textbook Vol.II Page no: 55 (Example 2).
11. Calculate the pH of 0.1M CH3COOH solution. Dissociation
constant of acetic acid is 1.8 x 10-5. (June 2009)
ANSWER: Refer Textbook Vol.II Page No.: 68 (Example 5)
12. 0.04N solution of a weak acid has a specific conductance of
4x10-4 mho cm-1. The degree of dissociation of the acid at this
dilution is 0.05. Calculate the equivalent conductance of the weak
acid at infinite dilution. (Oct 2009)
ANSWER: λc = 10 mho cm2 equiv-1, λ∞ = 200 mho cm2 g equiv-1.
13. Ionic conductances at infinite dilution of Al3+ and SO42- are
189 ohm-1 cm2 gm equiv-1. Calculate equivalent and molar
conductance of the electrolyte at infinite dilution. (Mar 2010)
ANSWER: Refer Textbook Vol.II Page No.: 62 (Example 4)
14. What is the pH of a solution containing 0.5 M propionic acid
and 0.5 M sodium propionate? The Ka of propionic acid is
1.34x10-5. (June 2010)
ANSWER: Refer Textbook Vol.II Page No.: 73 (Example 2)
___________________________________________________________________
113
Example to draw compulsory problems 70(a) or (c)
S. No. Compound Given formula
Identified(or)
structural
formula
Name
1 A
2 B
3 C
Note: Write correct naming reactions and explain briefly,
(which is A, B, etc..,) later draw the above mentioned
table.
Example to draw compulsory problem 70(b)
S. No. Element(or)
compound
Symbol
(or)molecular
formula
Name
1 A
2 B
3 C
Note: write correct balanced equations and explain briefly,
(which is A, B, etc..,) later draw above mentioned table
Total Question paper 43 marks problems out of 233 marks.
Note for One mark
Question No: 1 to 30
Out of 30 questions, problem type‘s questions are 4.
Distribution of questions: Inorganic - 10
Organic - 10
Physical - 10
Inorganic: Atomic structure, nuclear chemistry periodic classification.
(Chances for problem).
Organic: Organic nitrogen compounds (chances for problem)
Physical: Thermodynamics, Chemical equilibrium, E.C 1, Chemical
kinetics (chances for problem).
Note for Three mark
Question No: 31 to 51
Out of 21 questions, problem type‘s questions are 3.
15 have to be answered
7 inorganic & 7physical & 7 organic
Problems:
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Inorganic – Chance from Atomic structure, Periodic Classification and
Nuclear Chemistry.
Organic – Chance from Organic nitrogen compounds.
Physical – Chance from Solid state, Thermodynamics, Chemical
equilibrium, Chemical kinetics and E.C 1
Note for five mark
Question No: 52 to 63 (2 problems)
Section A – Inorganic 4Q (52 - 55) chance for one problem type or
twisted type question from Atomic structure or coordination
compounds
Chance for Extraction (or) chemical properties of elements
(or) compounds from D block.
Section B – Physical 4Q (56 - 59) chance for problem from E.C 2,
Chemical equilibrium (or) Chemical Kinetics.
Section C– Organic 4Q (60 - 63) one mechanism from Carbonyl or
Carboxylic acid.
Note: For ten marks to write any three from 64 to 69 both sub division
(a&b) finds some time difficult to write. Don‘t skip any questions given
from Q. no 64 to 69 from the material its must.
______________________________________________________________________
Jai Guru Dev
SGK MODEL QUESTION PAPER (For Practice)
[TIME ALLOWED: 3 HOURS] [MAXIMUM MARKS= 150]
PART-I
NOTE: (i) Answer all the questions
(ii) Choose and write the correct answer
1. If the energy of an electron in the second Bohr orbit of H-atom is –E, what is the energy of the electron in the Bohr’s first orbit?
a) 2E b)-4E c)-2E d) 4E
2. The particle character of an electron is explained by
a) Interference b) Diffraction
c) G.P.Thomson’s experiment d) J.J.Thomson’s experiment
3. Across the period, electron affinity
a) Decreases b) increases
c) Decreases and then increases d) increases and then decreases
4. Lead is mainly extracted from
a) PbO b) PbCO3 c) PbSO4 d) PbS
5. Silver salt is used in photography is
a) AgCl b) AgNO3 c) AgF d) AgBr
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6. The alloy used in surgical instruments is
a) German Silver b) Invar c) Stellite d) Stainless steel
7. Lanthanides are separated by
a) Fractional distillation b) steam distillation
c) Fractional crystallization d) sublimation
8. ___________ is used in tracer bullets.
a) Ceria b) Thoria c) Pyrophoric alloy d) mish metals
9. In photosynthesis, chlorophyll act as
a) An oxidising agent b) a light sensitizer
c) An electron carrier d) a colouring matter
10. The reaction 5B8------------>4Be8 takes place due to
a) alpha-decay b) beta-decay c) gamma-emission d) Positron decay
11. An example for Frenkel defeat is
a) NaCl b) AgCl c) CsCl d) FeS
12. In an adiabatic process which of the following is true?
a) q=w b) q=∆0 c) E=∆q d) pv=0
13. Which one is state function?
a) H b) S c) q d) both a and b
14. State of chemical equilibrium is
a) Dynamic b) Decreases c) Increases d) Becomes Zero
15. In Haber’s process ammonia formed is removed by a) High amount of H2 and N2 b)Fe/Mo c)H2O d)steam
16. Extra plotting the upper arm of the plot of log vs. I/T gives
a) A b) In A c) log A d) –log A
17. Oil of mirbane is
A) Nitrobenzene B) Benzaldehyde C) Methyl Salycilate D) Aspirin
18. Fog is the dispersion of
a) Solid in gas b) liquid in gas c) gas in liquid d) gas in solid
19. Colloidal antimony is used in curing
a) Malaria b) Jaundice c) Kalazar d) Headache
20. The specific conductance of a 0.01 M solution of KCl is 0.0014 ohm-1 cm-1 at
25˚C. Its Equivalent Conductance is a) 14 ohm-1 cm2 eq-1 b.)140 ohm-1 cm2 eq-1
c.) 1.4 ohm-1 cm2 eq-1 d.)0.14 ohm
21. The alcohol obtained by the hydrolysis of oils and fats is
a) Pentanol b) Propanol c) glycerol d) glycol
22. Intermolecular hydrogen bonds are not present in
a) CH3COOH b) C2H5 O C2H5 c) CH3CH2OH d) C2H5NH2
23. Phenetole is
116
a) Aromatic mixed ether b) aliphatic mixed ether c) aliphatic simple ether d) aromatic simple ether
24. Formaldehyde polymerises to give
a) Paraldehyde b) paraformaldehyde c) formalin d) formic acid
25. Which of the following are compounds will react with NaHCO3 solution to give sodium salt and CO2?
a) Acetic acid b) n-hexanol c) phenol d) both (a) and (c)
26. Bromo ethane reacts with silver nitrite to give
a) C2H5NO2 b) C2H5-O-NO c) C2H5Ag + NaBr d) C2H5NC
27. Which one of the following is a secondary amine?
a) Aniline b) diphenyl amine c) sec.butyl amine d) tert.butyl amine
28. Mustard oil reaction converts primary amine to
a) Isocyanate b) isothiocynate c) Schiff’s base d) alcohol
29. Proteins are not sensitive to
a) Acids b) bases c) elevated temperature d) water
30. Which contains a long chain ester
a) Wax b) cooking oil c) turpentine oil d) cellulose
PART II
Note: i) Answer any fifteen questions.
ii) Each answer should be in one or two sentences. 15x3=45
31. State Heisenberg’s uncertainty principle. 32. Why be and Mg has almost zero B A? 33. Why H2O is a liquid while H2S is a gas? 34. What is the action of heat on Phosphine? 35. Why Zn2+ salts are white while Ni2+ salts are coloured? 36. What is aquaregia? Give the reaction of Au with aqua regia. 37. What is spallation reaction? 38. Write the significance of Bragg’s equation. 39. Give the Kelvin-Planclc statement of second law of thermodynamics. 40. Dissociation of PCl5 decreases in presence of increase in Cl2 why? 41. What are parallel reactions? Give an example. 42. The rate constant of a reaction is 1.54 X 10 -3 sec. Calculate t ½. 43. What is Helmholtz double layer? 44. What is Kohlransch’s law? 45. Distinguish between racemic and mesoform. 46. Why Glycol is hygroscopic in nature? 47. How is glycerol synthesized from propylene? 48. How will you prepare Malachite green from Benzaldehyde? 49. What are the uses of benzoic acid? 50. Compound A is yellow coloured liquid and it is called oil of mirbane
A. On reduction with Sn/HCl gives B. B answers to carbonyl amine test? What are A and B?
51. What are antispasmodics?
PART III
Note: i) Answer any seven questions choosing at least two questions
from each Section.
Section A
52. Discuss shapes of p and d orbitals.
117
53. How is silver extracted from its chief ore? 54. Mention the oxidation state and any three uses of Lanthanides. 55. [Ni (CN) 6]2- is square planar whereas [Ni (NH3)4]2+ is tetrahedral.
Explain.
Section B
56. What are characteristics of entropy? 57. Derive the expression for kc and kp for the decomposition of PCl5. 58. Explain the experimental determination of rate constant for decomposition of H2O2 in aqueous solution. 59. What is the potential of a half-cell consisting ZnC electrode in 0.01M ZnSO4, solution at 25`C and B`C= 0.7862 K.
Section C
60. Discuss the isomerism exhibited by ethers. 61. Distinguish between Acetaldehyde and acetone. 62. Discuss the mechanism of Bromination of salicyclic acid.
63. How are Buna S and Nylon 66 prepared?
PART-IV
Note: i) Answer four questions in all.
ii) Question No.70 is compulsory and answer any three from the
remaining.
64. a) Explain various factors that affect electron affinity.
b) Discuss the structure of inter halogen compounds of AX3 and AX5
type. 65. a) State the postulates of Werner’s theory. b) How are radioactive isotopes useful in medicine? 66. a) Write the properties of ionic crystals. b) Write briefly about the adsorption theory of catalysis. 67. a) Derive Henderson equation. b) Establish a relationship between free energy and emf. 68. a) Write a short account on cis-trans isomerism. b) Account for the reducing properties of formic acid.
69. a) How are the following conversions carried out?
i) Nitro methane to methyl amine ii) Methyl amine to methyl
isocyanide iii) Benzene Diazonium chloride to biphenyl.
b) Outline the classification of carbohydrates giving example for each.
70. a) An organic compound A of molecular formula C3H6O on reduction with LiAlH4 gives B. Compound B gives blue colour in Victor Meyers test and also forms a chloride C with SOCl2. The chloride on treatment with alcoholic KOH gives D. Identify A, B, C and D and explain the reactions.
b) An element A is obtained from argentite ore. A reacts with conc.H2SO4 to give compound B. A also reacts with Cl2 to give compound C. Find
118
out A,B and C. Explain the reactions involved. Write any two uses of
element A.
(Or)
c) An organic compound A (C7H6O) has a bitter alcoholic almond shell. With ammonia A gives B (C21H18N2) with aqueous alcoholic KCN A gives C (C14H12O2) with aromatic tertiary amine A gives (C23H26N2). What are A, B, C and D and explain the reactions.
d) The resistance of a 0.01 N solution of an electrolyte was formed to 210 ohm at 25`C using a conductance cell with a cell constant 0.88 cm-1. Calculate the specific conductance and equivalent conductance of the solution.
Prepared By,
S.Karthikeyan, M.Sc, B.Ed,
Maharishi Vidya Mandir,
Cell: 9842029967
HOSUR – 635 109 (Krishnagiri Dist.)
All the Best!