Which of the following pair is expected to have the same bond order?
(i) O2 , N2
(ii) O2+, N2-
(iii) O2-, N2+
(iv) O2-,N2-
Which of the following pair is expected to have the same bond order?
(i) O2 , N2
(ii) O2+, N2-
(iii) O2-, N2+
(iv) O2-,N2-
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1 Answer
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This is a Long Answer Type Questions as classified in NCERT Exemplar
Ans: Option (ii)
(i) The electronic configuration of O2 is:
σ1s2 σ∗1s2 σ2s2 σ∗2s2 s2pz2 π2p2y π2p2x π*2p1y π*2p1x
Bond order = ( Nb- Na)
Bond order = (10-6)=2.0
The electronic configuration of N2 :
σ1s2 σ*1s2 σ2s2 σ*2s2 π2p2x, π2p2y σ2p2z
Bond order = (10-4)=3.0
So, the bond order of O2 , N2 will not be equal.
(ii) The electronic configuration of O2+ is:
σ1s2 σ∗1s2 σ2s2 σ∗2s2 s2pz2,π2p2y , π2p2x, π*2p1x
Bond order = (10-5)=2.5
The electronic conf
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