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Q. Bonding in which of the following diatomic molecule(s) become(s) stronger, on the basis of MO Theory, by removal of an electron ?
(A) $NO$
(B) $N _{2}$
(C) $O _{2}$
(D) $C _{2}$
(E) $B _{2}$
Choose the most appropriate answer from the options given below :-

JEE MainJEE Main 2022Chemical Bonding and Molecular Structure

Solution:

Bond strength $\propto$ Bond order
removal of electron from antibonding $MO$ increases B.O.
$NO \& O _{2}$ has valence $e -$ in $\pi *$ orbital.