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Which one of the following paramagnetic species has a bond order of one.

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By Expert Faculty of Sri Chaitanya
a
Be2
b
O2
c
C2
d
B2

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detailed solution

Correct option is D

C2 - Diamagnetic - 2O2 - Paramagnetic - 2B2 - Paramagnetic - 1Be2 - Does not exist.B2-KK'σ2s2σ2s*2π2px1π2py1 ; Bond order =6-42=1 ;


Similar Questions

The increasing order of energies of various molecular orbitals are

 I. σ1s<σ*1s<σ2s<σ*2s<σ2pz<π2px=π2py<π*2px=π*2py<σ*2pz

 II. σ1s<σ*1s<σ2s<σ*2s<π2px=π2py<σ2pz<π*2px=π*2py<σ*2pz

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