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# Among the following molecules,the shortest bond length is to be found in

$\begin{array}{1 1}(a)\;F_2&(b)\;O_2\\(c)\;N_2&(d)\;C_2\end{array}$

$\text{Bond length}\propto \large\frac{1}{\text{Bond order}}$
$F_2$ bond order is 1.
$O_2$ bond order is 2.
$N_2$ bond order is 3.
$C_2$ bond order is 2.
Shortest bond length is to be found in $N_2$