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Which one of the following species is diamagnetic having a bond order one.

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By Expert Faculty of Sri Chaitanya
a
Li2
b
B2
c
He2
d
C2
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detailed solution

Correct option is A

C2 - Diamagnetic - 2Li2 - Diamagnetic - 1B2 - Paramagnetic - 1He2 - Does not exist.Li2-σ1s2σ1s*2 σ2s2; Bond order =4-22=1 ;


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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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