A) 2
B) 3
C) 4
D) 1
Correct Answer: C
Solution :
\[O\overset{\pi }{\mathop{\underset{\sigma }{\mathop{=}}\,}}\,\,\,\underset{\sigma }{\mathop{-}}\,\,{{C}^{\pi ,}}{{\underset{\sigma }{\mathop{\equiv }}\,}^{\pi }}C\underset{\sigma }{\mathop{-}}\,\overset{\begin{smallmatrix} O \\ \uparrow \end{smallmatrix}}{\mathop{N}}\,\overset{\pi }{\mathop{\underset{\sigma }{\mathop{=}}\,}}\,O\] \[4\pi \] bonds are present.
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