Chemical BondingMedium
Question
Which of the following molecular species has unpaired electromn (s) ?
Options
A.N2
B.F2
C.O2-
D.O22-
Solution
N2 : σls2, σ*ls2, σ2s2, σ*2s2,[ π2p2y = π2p2z] σ2p2x
F2 : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p1z] σ*2s2x
O2- : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p1z]
O22- : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p2z]
F2 : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p1z] σ*2s2x
O2- : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p1z]
O22- : σls2, σ*ls2, σ2s2, σ*2s2, σ2p2x [ π2p2y = π2p2z] [π* 2p2y= π* 2p2z]
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