$\begin{array}{*{20}{c}}
{C{H_3} - C = CH - C{H_2}C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{CH{{(C{H_3})}_2}\,\,\,\,\,\,\,\,\,\,}
\end{array}\xrightarrow[{(ii)\,{H_2}{O_2},O{H^ - }}]{{(i)\,{B_2}{H_6}}}[A]$$\xrightarrow[\Delta ]{{dil.\,{H_2}S{O_4}}}[B]$

$2,7-$ડાયમિથાઈલ$-2,6-$ઓકટાડાઈન $\stackrel{ H ^{+}}{\longrightarrow}$ $'A'$(મુખ્ય નીપજ)

${{C}_{2} {H}_{5} {OH}}{\longrightarrow}$ મુખ્ય નીપજ ${ }^{\prime} {A}^{\prime}$
નીપજ $A$ કઈ છે?