Chemical Bonding and Molecular Structure: MCQs | Question – Paper 3 1

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NEET UG Questions included in this test.

Topic: Chemical Bonding and Molecular Structure, Test No.: 03, Total MCQs: 10

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Question 1
Dipole-induced dipole interactions are present in which of the following pairs? [NEET 2013]
A
H2O and alcohol
B
Cl2 and CCl4
C
HCl and He atoms
D
SiF4 and He atoms
Question 2
Which of the following is paramagnetic? [NEET 2013]
A
CO
B
O2–
C
CN–
D
NO+
Question 3
Which one of the following molecules contains no p bond? [NEET 2013]
A
CO2
B
H2O
C
SO2
D
NO2
Question 4
Which of the following is a polar molecule? [NEET 2013]
A
BF3
B
SF4
C
SiF4
D
XeF4
Question 5
The outer orbitals of C in ethene molecule can be considered to be hybridized to give three equivalent sp2 orbitals. The total number of sigma (s) and pi (p) bonds in ethene molecule is[NEET 2013]
A
1 sigma (s) and 2 pi (p) bonds
B
3 sigma (s) and 2 pi (p) bonds
C
4 sigma (s) and 1 pi (p) bonds
D
5 sigma (s) and 1 pi (p) bonds
Question 6
Identify the incorrect statement, regarding the molecule XeO4: [NEET 2013]
A
XeO4 molecule is tetrahedral
B
XeO4 molecule is square planar
C
There are four pp– dp bonds
D
There are four sp3 – p, s bonds
Question 7
In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic? [NEET 2013]
A
N2 → N2+
B
O2 → O2+
C
C2 → C2+
D
NO → NO+
Question 8
The molecule having smallest bond angle is:
A
NCl3
B
AsCl3
C
SbCl3
D
PCl3
Question 9
Among the following, the paramagnetic compound is
A
Na2O2
B
O3
C
N2O
D
KO2
Question 10
The percentage of p-character in the orbitals forming P−P bonds in P4 is
A
25
B
33
C
50
D
75
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One thought on “Chemical Bonding and Molecular Structure: MCQs | Question – Paper 3”

  • Reply ↓
    Santosh kumar jena

    Plz give explantion of wrong question