Probelm set 1
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Transcript of Probelm set 1
1- What do you call these orbitals
2- What is the type of bonding in each of the following moleculesa) NaClb) KFc) F-Fd) H-Fe) CF4
f) O=O
3- Label with an arrow the direction of electrons in the following moleculesa) H-Fb) H-O-Hc) O=C=Od) CF4
e) NH3
f) NF3
4- Label each of the following molecules as polar or non-polara) CO2
b) H-Fc) H2Od) CCl4
e) CHCl3
f) CH2Cl2
g) CHI3
h) NH3
i) CO
5) What is the formal charge on each element of the following molecules
a)
::
....HH OO
OO
OO
NN
::
::....
....
::
....HH OO
OO
OO
NN
::
::....
....
b) CF4
c)
6) Draw the line structural formula of
a)
b) CH3CH2CH2CH3
c) CH3CH2CH2CH2OH
d) ClCH2CH2CH2CH2OH
7) Which one of the following pair of molecules are isomersa) CH4 and CF4
b) NH4OCN and
8) Draw the resonance structures of Benzene
9) Draw the resonance structures of O3
....
BBFF
FF
FF
FF
....
............:: ::
:: ::
:: ::
....
....
BBFF
FF
FF
FF
....
............:: ::
:: ::
:: ::
....
BBFF
FF
FF
FF
BBFF
FF
FF
FF
....
....
....
....................:: ::
:: ::
:: ::
....
HH
OO
CC CC CC
HH HH HH
HH
HHHH :: ::
HH
HH
OO
CCCC CC CCCC
HH HH HHHH HH HH
HH
HHHH HHHH :: ::
HH
HH22NCNHNCNH22
OO
HH22NCNHNCNH22
OO
10) Draw the correct shape of
a) CCl4
b) H2Oc) CH4
11) How much is the angle between H -C - H in CH4
12) How much is the angle between H-O and H in Water
13) Is the angle between H-C-H in CH2Cl2 greater or smaller than 109.5
14) Is formaldehyde planar or tetrahedral molecule
15) What do we call the shape geometry of CO2
16) Draw the direction of the dipole moment in each bond. CH2Cl2
17) Name the three types of Aliphatic hydrocarbons18) What do we call the orbitals around an atom
19) Electrons in a covalent bond are located in what type of orbitals?
20) What is the general formula of an open chain hydrocarbon
21) Which has the highest boiling point Methane or propane
22) Where are the valence electrons located in an isolated carbon atom
23) What is the hyberdisation of Carbon in Ethane
24) What is the name of the covalent single bond in hydrocarbons
25) How many sp3 orbitals are there in hyberdized carbon
26) Draw the different isomers of C4H10
27) Draw the different isomers of C5H12
28) Name the following
29) Name the following
30) Name the following
31) Name the following
What is the molecular formula of this compound? What type of hydrocarbon is it? What is the general molecular formula of the following family of compounds
32) Which has a higher boiling point
32) Balance the following combustion reactiona) C6H6 + O2 ?
b) C2H2 + O2 ?
33) Name the functional group in each of the following a) CH2CH2Clb) CHF3
c) CH3OH
34) Name the following CH3CH2CH2CH2Cl
35) Name the following ClCH2CH2CH2CH2Cl
36) Name the following BrCH2CH2CH2CH2CH2OH
37) Name the following
38) Draw the Lewis line structure of the following compoundsa) Methanol
b) Ethanol
c) Propanol
d) 2- Bromo-propane
e) 2- Iodo-Octane
f) 2,2-Diethyl-3-Bromo-3-Chloro-Octane
g) 1,2,3,4,5,6-hexachloro-cyclohexane
CHCH33CCHCCH22CHCH22CHCH33
OHOH
CHCH33
CHCH33CCHCCH22CHCH22CHCH33
OHOH
CHCH33
h) tetra-cyclohexyl-methane
39) What type of bonding exists between alcohol molecules
40) Draw the product of the reaction between the following acid and Alcohola) Methanol + HCl
b) Propanol + HI
c) Tert-Butanol + HCl
d) 4-chloro-cyclohexanol + HI