$n - Pr = n -$ propyl
નીપજ ' $(A)$ શું હશે ?
$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,} \\
{|\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - CHC{H_3}} \\
{\,|\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,H\,\,\,\,\,\,\,Br}
\end{array}$ $\xrightarrow{{C{H_3}OH}}$
[જ્યા $\left.Et = C _2 H _5\right]$
($E_2$ બે આણ્વિય વિલોપન )