$\begin{array}{*{20}{c}}
{C{H_3} - C - C{H_2} - C{H_3}} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ (બ્યુટેન $2-$ ઓન) $+$ $3[O]$ $\xrightarrow {HNO_3}$ $2CH_3COOH$ (એસિટીક એસિડ)