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# The number of $\sigma$ and $\pi$ bonds in $1,3$-butadiene

$\begin{array}{1 1}(a)\;7\sigma\;and\;4\pi\;bonds&(b)\; 8\sigma\;only\\(c)\;8\sigma\;and\;2\pi\;bonds&(d)\;6\sigma\;and\;2\pi\;bonds\end{array}$

$H_2C=CH-CH=CH_2$
$8-\sigma$ bonds
$2-\pi$ bonds
Hence (c) is the correct answer.