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TARGET : JEE (ADVANCED) 2014

TEST SYLLABUS

Date : 27.04.2014 TEST : CUMULATIVE TEST-3 (CT-3)Syllabus :Physical : Mole & Equivalent Concept, Ionic equilibrium & Electrochemistry,Gaseous State, Solid State, Surface Chemistry, Thermodynamics &Thermochemistry.Inorganic : Inorganic Nomenclature, Periodic table, Chemical Bonding,Coordination compound, s-block, p-block & Metallurgy.Organic : Organic Nomenclature, Isomerism, Stereoisomerism, GOC, POC,tautorism, acids & bases

Course : VIJETA (JPAD)

& VIJAY (JRAD)

Date : 23-04-2014

DPP No. : 05

INORGANIC CHEMISTRY

This DPP & PT-2 is to be discussed (25-04-2014)

DPP No. # 05 (JEE-ADVANCED)

Total Marks : 169 Max. Time : 118 min.Single correct Objective ('�1' negative marking) Q.1 to Q.15 (3 marks, 2 min.) [45, 30]One or more correct objective (no negative marking) Q.16 to Q.20 (4 marks, 2 min.) [20, 10]Single digit integer type ('�1' negative marking) Q.21 to Q.25 (4 marks, 3 min.) [20, 15]Double digit integer type (no negative marking) Q.26 to Q.29 (4 marks, 3 min.) [16, 12]Assertion and Reason ('�1' negative marking) Q.30 to Q.32 (3 marks, 3 min.) [09, 09]Comprehension ('�1' negative marking) Q.33 to Q.41 (3 marks, 2 min.) [27, 18]Match the Following (no negative marking) Q.42 to Q.45 (8 marks, 6 min.) [32, 24]

1. Calcium imide on hydrolysis gives gas (B) which on oxidation by bleaching powder gives gas (C).Gas (C) onreaction with magnesium give compound (D) which on hydrolysis gives again gas (B). Identify (B),(C) and (D).(A) NH

3 , N

2 , Mg

3N

2(B) N

2 ,NH

3 , MgNH (C) N

2 ,N

2O

5 , Mg(NO

3)

2(D) NH

3 , NO

2 , Mg(NO

2)

2

2. A + H2O B + HCl

B + H2O C + HCl

Compound (A), (B) and (C) will be respectively :(A) PCl

5, POCl

3, H

3PO

3(B) PCl

5, POCl

3, H

3PO

4(C) SOCl

2, POCl

3, H

3PO

3(D) PCl

3, POCl

3, H

3PO

4

3. By which of the following methods, H2O

2 can�t be synthesised ?

(A) Addition of ice cold H2SO

4 on BaO

2(B) Addition of ice cold H

2SO

4 on PbO

2

(C) Aerial oxidation of 2-ethyl anthraquinol (D) Electrolysis of (NH4)2SO

4 at a high current density

4. Choose the correct sequence for the geometry of the given molecules Borazone, Borazole, B3O

63�, Fe

2Cl

6, trimer of

FCN.[�P� stands for planar and �NP� stands for non-planar]

(A) NP, NP, NP, P, P (B) P, P, NP, NP, P (C) NP, NP, NP, P, NP (D) NP, P, P, NP, P

5. One gas bleaches the colour of flowers by reduction, while the other by oxidation, the two gases respectively maybe :(A) CO and Cl

2(B) H

2S and Br

2(C) NH

3and SO

3(D) SO

2 and Cl

2

6. SbF5 reacts with XeF

4 to form an adduct. The shapes of cation and anion in the adduct are respectively :

(A) square planar, trigonal bipyramidal (B) T-shaped, octahedral(C) square pyramidal, octahedral (D) square planar, octahedral

7. Consider the following transformations :

(I) XeF6 + NaF [XeF

7]� ; (II) 2PCl

5(s) ; (III) [Al(H

2O)

6]3+ + H

2O [Al(H

2O)

5 OH]2+ + H

3O+

Possible transformations are :(A) I, II, III (B) I, III (C) I, II (D) II, III

8. Which of the following statements are correct about the reaction between the copper metal and dilute HNO3?

(I) The principal reducing product is NO gas.(II) Cu metal is oxidised to Cu2+ (aq.) ion which is blue in colour.(III) NO is paramagnetic and has one unpaired electron in antibonding molecular orbital.(IV) NO reacts with O

2 to produce NO

2 which is linear in shape.

(A) I, II, III (B) I, II (C) II, IV (D) All the above

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9. Cl2(g) + Ba(OH)

2

X(aq.) + BaCl

2 + H

2O

X + H2SO

4 Y + BaSO

4

Y K365

Z(green) + H

2O + O

2

Y and Z are respectively :(A) HClO

4, ClO

2(B) HClO

3, ClO

2(C) HClO

3, Cl

2O

6(D) HClO

4, Cl

2O

7

10. Match column-I with column-IIColumn-I Column-II(P) Nitriding (I) Process of heating steel to redness and then cooling it very slowly.(Q) Annealing (II) Process of heating steel in presence of NH

3 and producing hard coating

of iron Nitride on the surface of steel.(R) Tempering (III) Process of heating steel to redness and then cooling it suddenly by plunging

it into water or oil.(S) Quenching (IV) Process of heating quenched steel to a temperature well below redness

and then cooling it slowly. P Q R S P Q R S(A) II I III IV (B) II I IV III(C) I II IV III (D) I II III IV

11. Consider the following metallurgical processes :(I) Heating impure metal with CO and distilling the resulting volatile carbonyl (b.p. 43ºC) and finally decomposition

at 150º�200ºC to get the pure metal

(II) Heating the sulphide ore in air until a part is converted to oxide and then further heating in the absence of air tolet the oxide react with unchanged metal sulphide(III) Electrolysis of the molten electrolyte containing approximately equal amounts of the metal chloride and NaCl toobtained the metalThe processes used for obtaining magnesium, nickel and copper are respectively.(A) (I), (II) and (III) (B) (II), (III) and (I) (C) (III), (I) and (II) (D) (II), (I) and (III)

12. Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false.(i) In Gold Schmidt's thermite process aluminium acts as a reducing agent.(ii) Mg is extracted by electrolysis of aq. solution of MgCl

2.

(iii) Extraction of Pb is possible by smelting of its oxide.(iv) Red Bauxite is purified by Serpeck�s process.

(A) T T T F (B) T F F T (C) F T T T (D) T F T F

13. In which of following silicate, the number of corner shared per tetrahedron is ' 2 '.(A) Four membered cylic silicate (B) Pyrosilicate(C) Orthosilicate (D) 2-D silicate

14. Consider the compounds given below(A) BiCl

3(B) SbCl

3(C) VCl

5(D) UO

3

15. Gº vs T plot in the Ellingham�s diagram slopes downward for the reaction

(A) Mg + O2 MgO (B) 2Ag + O

2 Ag

2O (C) C + O

2 CO (D) CO + O

2 CO

2

16. Aqueous solution of borax acid is treated with salicylic acid. Which of the following statements is/are incorrect forthe product formed in the above reaction ?(A) no product will be formed because both are acids.(B) product is 4-coordinated complex and optically resolvable.(C) product is 4-coordinated complex and optically non-resolvable.(D) there are two newly formed five membered rings.

17. Which of the following statement(s) is/are correct ?(A) Chlorine dioxide (ClO

2) is powerful oxidising agent but bleaching action is poorer than Cl

2.

(B) ClO2 in alkaline solution undergoes disproportionation.

(C) ClO2 is diamagnetic in nature.

(D) ClO2 is a yellow gas but deep red liquid.

18. The extraction of metals from oxide ores may involve :(A) reduction with carbon (B) reduction with aluminium(C) electrolyte reduction (D) reduction with CO

19. Froth floatation :(A) is a physical method of separating mineral from the gangue.(B) is a method to concentrate the ore depending on the difference in wettability of gangue and the ore.(C) is used for the sulphide ores.(D) is a method in which impurities sink to the bottom.

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20. Na2S

2O

3 is oxidised to Na

2SO

4 by :

(A) Cl2

(B) Br2

(C) I2

(D) KMnO4

21. Among the following, the number of compounds, that can act as dehydrating agent is ______.Conc. H

2SO

4 , anhyd. CaCl

2 , Conc. HNO

3 , CaO , CuSO

4.5H

2O , P

2O

5

22. The number of equivalent Cl � O bonds in Cl2O

7 is _________.

23. The oxidation state of TI in TI3

is_______.

24. Among the following, the number of compounds that would require electrolysis process to get their respectivemetal is from their metal compound is _______.NaCl , Cr

2O

3 , MgCl

2 , Al

2O

3 , CaCl

2 , Fe

2O

3

25. The number of bicarbonates that do not exist in solid form among the following is ____.LiHCO

3 , NaHCO

3 , Ca(HCO

3)

2 , KHCO

3 , NH

4HCO

3 , Ba(HCO

3)2 , Mg(HCO

3)

2

26. H � F is a weak acid but on addition of AsF5 , it becomes a very strong acid. The number of 90° angles in the anionic

part of the product is_________.

27. The sum of oxidation states of all S atoms in pentathionate ion is��

28. How many type of the following acids may undergo disproportionation reaction on heatingH

2C

2O

4 , H

3PO

2 , H

3PO

3 , HClO , HNO

2 , H

2SO

3 , H

2SO

4 , HClO

3

29. If Phosphorous acid, Tetrathionic acid and Pyrophosphoric acid have number of acidic hydrogen per moleculerespectively as x, y and z, then find the value of x + y � z.

30. Statement-1 : Aluminium and zinc metal evolve H2 gas from NaOH solution.

Statement-2 : Several non-metals such as P,S,Cl, etc. yield a hydride instead of H2 gas from NaOH.

(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.(C) Statement-1 is True, Statement-2 is False.(D) Statement-1 is False, Statement-2 is True.

31. Statement-1 : Lead, tin and bismuth are purified by liquation method.Statement-2 : Lead, tin and bismuth have low m.p. as compared to impurities.(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.(C) Statement-1 is True, Statement-2 is False.(D) Statement-1 is False, Statement-2 is True.

32. Statement-1 : 2PbO2 + H

2SO

4 2PbSO

4 + 2H

2O + O

2

In this reaction H2SO

4 acts as reducing agent.

Statement-2 : If PbO2 is considered as lead peroxide then the above reaction is an example of disproportionation.

(A) Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.(B) Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1.(C) Statement-1 is True, Statement-2 is False.(D) Statement-1 is False, Statement-2 is True.

Paragraph for Question Nos. 33 to 34

A white solid having garlic smell (A) cold

OH2 (B) heating

on gas (C) having rotten fish smell + acid (D)

33. A is :(A) P (White) (B) P (Red) (C) P

2O

3 (D) (COOH)

2

34. With increase in temperature following heating, acid (D) produces the following products in which correct sequence?(A) Pyro acid, meta acid, anhydride (B) Meta acid, Pyro acid, anhydride(C) Meta acid, anhydride, pyro acid (D) Pyro acid, anhydride, meta acid

Paragraph for Question Nos. 35 to 36In SF

6 , sulphur is octahedrally hybridized (sp3d2). Hence , it is still having some vacant 3d-orbitals to accommodate

the nucleophilic attack through the sp3d3 (pentagonal bipyramid) hybridization. But the size of sulphur is too smallto tolerate the seven co-ordination number.

35. Which of the following product is formed when BeCl2 hydrolysed in alkaline medium ?

(A) Be(OH)2

(B) �24)OH(Be (C) n2)OH(Be (D) None of these

36. The product of hydrolysis of SF4 and TeF

6 are ______ and ______ respectively.

(A) H2SO

3 and H

2TeO

4(B) H

2SO

4 and H

2TeO

4(C) H

2SO

3 and Te(OH)

6(D) H

2SO

4 and Te(OH)

6

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Paragraph for Question Nos. 37 to 38The Ellingham diagram for zinc, magnesium and carbon converting into corresponding oxides is shown below.

37. At what temperature, zinc and carbon have equal affinity for oxygen ?(A) 1000ºC (B) 1500ºC (C) 500ºC (D) 1200ºC

38. At this temperature Gº of the reaction is : ZnO + C Zn + CO(A) �ve (B) +ve (C) zero (D) nothing can be predicted

Paragraph for Question Nos. 39 to 41The mineral colemanite is fused with sodium carbonate, compound (Z) is obtained along with white ppt. When (Z)reacts with dil. H2SO4 gives a compound (A) which on strong heating gives an oxide (C). (C) on reduction with Mgproduced (D) and non metal (X). Treatment of chlorine on a mixture of (C) and carbon at high temperature gives ahalide (E) which is fuming liquid (b. pt. 13ºC) along with a gas (F). (E) is a Lewis acid.

39. (Z) may be :(A) H

3BO

3(B) BaCO

3(C) borax (D) Na

3BO

3

40. (A) and (C) may be :(A) B

2H

6, B (B) B

2H

6, B

2O

3(C) H

3BO

3, B (D) H

3BO

3, B

2O

3

41. (E) and (F) may be :(A) BCl

3, CoCl

2(B) Cl

2O, CCl

4(C) BOCl, CO (D) None of these

42. Match the following :Column I Column II

(A) Borax

(p) BN(B) B

2H

6 + H

2O (q) B

2H

6

(C) B2H

6 + NH

3 (excess)

(r) H

3BO

3

(D) BCl3 + LiAlH

4 (s) NaBO

2 + B

2O

3

43. Match the following :Column (A) Column (B)Reaction Product's character

(A) NaNO3

Cº500

(p) Diamagnetic.

(B) KOH + O3 (q) Paramagnetic.

(C) Na + O2 (excess) (Major) (r) Bond order 1

(D) K (dissolved in liquid NH3)

solutionBlue (s) Bond order 1.5

44. Match the compound with effect on heating.Column I Column II(A) NH

4ClO

4(p) Leaves no residue on heating

(B) (NH4)2CO

3(q) Reaction occurring is a redox reaction.

(C) (NH4)

2Cr

2O

7(r) Produces N

2 on heating.

(D) Mg (NH4)PO

4(s) Produces NH

3 on heating.

45. Column I Column II(A) Chalcopyrites (p) Self�reduction

(B) Galena (q) Sulphur containing ore(C) Argentite (r) Carbon reduction(D) Malachite (s) Leaching followed by displacement method.