1.

Oxygen molecule is paramagnetic because [NCERT 1984; IIT 1984]

A.                 Bonding electrons are more than antibonding electrons
B.                 Contains unpaired electrons
C.                 Bonding electrons are less than antibonding electrons
D.                 Bonding electrons are equal to antibonding electrons
Answer» D.                 Bonding electrons are equal to antibonding electrons


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