$\xrightarrow{{{H_2}O/{H^ + }}}\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}\, + \, Mg < \begin{array}{*{20}{c}}
{O{C_2}{H_5}} \\
I
\end{array}$
$\xrightarrow[{(ii)\,{H_2}O/{H^ + }}]{{(i)\,C{H_3}MgI}}\begin{array}{*{20}{c}}
{OH} \\
| \\
{C{H_3} - C - C{H_3}} \\
| \\
{\,\,\,\,\,C{H_3}}
\end{array}\, + \, Mg < \begin{array}{*{20}{c}}
{OH} \\
I
\end{array}$
તૃતીયક બ્યુટાઇલ આલ્કોહોલ
${C_3}{H_7}OH\xrightarrow{{conc\,{H_2}S{O_4}}}X\xrightarrow{{B{r_2}}}Y\xrightarrow[{alkolic\,KOH}]{{high\,level}}Z$