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Q.

Column - I    Column - II
A) N21) 1σ
B) Cl22) 1σ,1π
C) O23) 2σ,2π
D) CO24) 1σ,2π

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a

A - 4, B - 3, C - 1, D - 2

b

A - 4, B - 3, C - 2, D - 1

c

A - 4, B - 2, C - 1, D - 3

d

A - 4, B - 1, C - 2, D - 3

answer is C.

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Detailed Solution

The structure of  N2 molecule is as shown below.

                             Question Image

In triple bond of  N2 molecule, there is one sigma bond  (σ) and two pi bonds (π) are present.

The structure of Cl2molecule is as shown below.

                          Question Image

So, Cl2 molecule has one sigma bond ((σ))

The structure of O2 molecule is as shown below.

                           Question Image

In double bond of O2 molecule, there is one sigma bond ((σ)) and one pi bond (π) are present. 

The structure of  CO2 molecule is as shown below.

Question Image

In CO2  molecule, two double bonds are present.  Hence it contains two sigma bonds (σ) and two pi bonds (π).

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