How many $\sigma $ and $\pi $ bonds are there in the molecule of tetracyanoethylene
$\begin{array}{*{20}{c}} {N \equiv C} \\ {N \equiv C}\end{array}\,\,\left. {} \right\rangle C = C\,\left\langle {} \right.\,\begin{array}{*{20}{c}} {C \equiv N} \\ {C \equiv N} \end{array}$
How many $\sigma $ and $\pi $ bonds are there in the molecule of tetracyanoethylene
$\begin{array}{*{20}{c}} {N \equiv C} \\ {N \equiv C}\end{array}\,\,\left. {} \right\rangle C = C\,\left\langle {} \right.\,\begin{array}{*{20}{c}} {C \equiv N} \\ {C \equiv N} \end{array}$
- A
Nine $\sigma $ and nine $\pi $
- B
Five $\sigma $ and nine $\pi $
- C
Nine $\sigma $ and seven $\pi $
- D
Five $\sigma $ and eight $\pi $
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