Chemical Bonding
Ranker
CHEMICAL BONDING
1.
2.
3.
4.
5.
6.
Which of the following molecules contain one lone pair of electrons on the central
atom ?
a) CH4
b) PH3
c) CCl4
d) H2S
The ion that is iso – electronic with CO
a) O2
b) CN 
c) O2
d) N2
Octet rule is not followed in
a) SF6
b) PF5
c) BeCl2
d) All the three
The type of bonds present in ammonium chloride are
a) Only ionic and dative
b) Only covalent and electrovalent
c) Only covalent and coordinate
d) Ionic, covalent and coordinate
Among LiCl, BeCl2, BCl3 and CCl4, the covalent bond character follows the order,
a) LiCl < BeCl2 > BCl3 > CCl4
b) LiCl > BeCl2 < BCl3 < CCl4
c) LiCl < BeCl2 < BCl3 < CCl4
d) LiCl > BeCl2 > BCl3 > CCl4
Which of the following does not contain coordinate covalent bond ?
a) NH 4
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
b) H 3O 
c) CH 3
d)  Ag  CN 2 

Which one of the following molecules contain both ionic and covalent bonds ?
a) CH2Cl2
b) K2SO4
c) BeCl2
d) SO2
The % of ‘p’ character in hybrid orbital of the central atom of water molecule
a) 25%
b) 50%
c) 75%
d) 33.3%
Which of the following has pentagonal bipyramidal shape ?
a) PCl5
b) SO42 
c) CO32 
d) IF7
The shape of sulphate ion is
a) Tetrahedral
b) Square planar
c) Trigonal
d) Trigonal planar
The angle between two covalent bonds is minimum in
a) H2O
b) CO2
c) NH3
d) CH4
Which of the following is a linear molecule?
a) BeCl2
b) H2O
c) SO2
d) CH4
Which of the following has pyramidal shape?
a) XeF4
b) XeO3
c) XeF2
d) XeF6
Which of the following is not tetrahedral ?
a) BF4
b) NH 4
c) CO32 
d) SO42 
The bond order in O22 species is
a) 1
b) 2
c) 3
d) 4
Fractional bond order is in
a) O2
b) O2
c) O22
d) N2
Maximum number of electrons that can be present in any molecular orbital is
a) 3
b) 6
c) 8
d) 2
Bond order is maximum among the following
a) N2
b) He2
c) H2
d) O2
Among the following which has the highest boiling point
a) NH3
b) PH3
c) AsH3
d) CH4
Page 1
Chemical Bonding
20.
21.
22.
23.
24.
25.
26.
27.
28.
Ranker
The electronic structure of four elements a,b,c and d are
1) 1s2
2) 1s2,2s2,2p2
3) 1s2,2s2,2p5
4) 1s2,2s2,2p6
a) 1
b) 2
c) 3
d) 4
The following has more size
a) Na+
b) Cs+
c) F–
d)Cl–
The compound which contains both ionic and covalent bonds is
a) CH4
b)C2H2
c) KCN
d) KCl
Which of the following is truly covalent ?
a) AgCl
b) KCl
c) BaCl2
d) COCl2
The bonds present in N2O5 are
a) Ionic
b) Covalent
c) Ionic and covalent
d) Covalent and dative
The types of bonds present in CuSO4.5H2O are
a) electrovalent and covalent
b) electrovalent, covalent, co-ordinate and hydrogen bond
c) covalent and co-ordinate covalent
d) electrovalent
The hybrid state of carbon in acetylene is the same as that of carbon in
a) Benzene
b) Carbon dioxide c) Graphite
d) Ethylene
0
The hybrid orbitals have a bond angle of 109 28 . The ratio of percentage of ‘s’ and ‘p’
characters is
a) 1:1
b) 1:2
c) 1:3
d) 2:3
List – 1
List – 2

A) NH 4
1) sp3 hybridisation, two lone pairs
|
2) sp2 hybridisation, one lone pairs
3) sp3 hybridisation, no lone pairs
4) sp3 hybridisation, one lone pairs
5) sp2 hybridisation, no lone pairs
B) H 3O 
C) XeO3
D) SO3
29.
30.
The correct match is
A B C D
A B C D
a) 1 2 4 5
b) 2 2 3 5
c) 3 4 4 5
d) 4 4 3 5
Which of the following orders regarding the bond length is correct ?
a) O2  O2  O2
b) O2  O2  O2
c) O2  O2  O2
d) O2  O2  O2
Boiling point is highest for
a) HF
b) H2O
c) NH3
d) CH4
KEY
1
b
11
a
21
d
2
b
12
a
22
c
3
d
13
b
23
d
4
d
14
c
24
d
5
c
15
a
25
b
6
c
16
b
26
b
7
b
17
d
27
c
8
c
18
a
28
c
9
d
19
a
29
a
10
a
20
c
30
b
Page 2

Exam 2 Key - ars

Moles, Molecules, and Grams worksheet Answer Key

Chapter-17.Lectures (15)