Engineering
Chemistry
Molecular Orbital Theory or MOT
Question

Assuming that Hund’s rule is violated, the bond order and magnetic nature of the diatomic molecule B2 is

0 and diamagnetic

1 and diamagnetic

1 and paramagnetic

0 and paramagnetic

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Solution

 σ1s2  σ*1s2  σ2s2  σ*2s2  π22px=π2py

 B.  O=12(64)=1

Diamagnetic