[જ્યા $\left.Et = C _2 H _5\right]$
$\begin{array}{*{20}{c}} {C{H_3}\,\,\,} \\ {|\,\,\,\,\,\,\,\,} \\ {C{H_3} - C - CHC{H_3}} \\ {\,|\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,H\,\,\,\,\,\,\,Br} \end{array}$ $\xrightarrow{{C{H_3}OH}}$