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Q.

Match the following columns and choose the correct option from the codes given below.

Column I
(Molecule)
Column II
(Electronic configuration)
Column III
(Bond order)
A. O2 1. σ2s2,σ*2s2,σ2pz2,π2p4,π*2p2(i) 0
B.F2 2. σ2s2,σ*2s2,σ2pz2,π2p4,π*2p4(ii) 1
C.Ne2 3σ2s2,σ*2s2,σ2pz2,π2p4,π*2p4,σ*2pz2(iii) 2

Codes

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a

 A  B  C  1(iii) 2 (ii)  3(i) 

b

ABC1(ii)3(i)2 (iii) 

c

ABC3(ii)2(iii)1(i)

d

ABC3(i)1(ii)3(iii)

answer is A.

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Detailed Solution

MoleculeBond orderElectronic configuration
O22σ2s2,σ*2s2,σ2pz2,π2p4 π*2p2
F21σ2s2,σ*2s2,σ2pz2,π2p4π*2p4
Ne2zeroσ2s2,σ*2s2,σ2pz2,π2p4π*2p4,σ*2pz2
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