A) \[3\]
B) \[2\]
C) \[1\]
D) \[0\]
Correct Answer: A
Solution :
The molecular configuration of \[{{N}_{2}}\] is \[\sigma 1{{s}^{2}},\,\overset{*}{\mathop{\sigma }}\,1{{s}^{2}}\sigma 2{{s}^{2}}\overset{*}{\mathop{\sigma }}\,2{{s}^{2}}\left\{ \begin{matrix} \pi 2p_{y}^{2} \\ \pi 2p_{x}^{2} \\ \end{matrix} \right.\overset{*}{\mathop{\sigma }}\,2{{p}_{z}}^{2}\] \[\left\{ \begin{matrix} \overset{*}{\mathop{\pi }}\,2{{p}_{y}} \\ \overset{*}{\mathop{\pi }}\,2{{p}_{x}} \\ \end{matrix} \right.\overset{*}{\mathop{\sigma }}\,2{{p}_{z}}\] number of bonding electrons \[Bond\,\,order=\frac{-number\,\,of\,\,antibonding\,\,electrons}{2}\] \[=\frac{10-4}{2}\] \[\therefore \] \[=3\]
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