81. How does molecular orbital theory account for the
following ?
(a) Bond order of N, is greater than N + but the bond
order of O, is less than that of 0,1
(6) Be, does not exist.
N.C.E.R.T.
Answers
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Explanation:
the bond order depends on bonding and antibonding orbitals of N
the BO. 1/2of bonding electrons - antibonding electronic
n2 has 10 bonding and 4 antibonding
for N2
1/2(10-4)=3
for N2+
1/2 (9-4)=2.5
hence N2bond order is greater than n2+
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