d
\(\underset{(I)}{\mathop{\underset{({{C}_{3}}{{H}_{6}}C{{l}_{2}})}{\mathop{\begin{matrix}
\begin{matrix}
\,\,Cl \\
| \\
\end{matrix} \\
{{H}_{3}}C-C-C{{H}_{3}} \\
| \\
\,\,Cl \\
\end{matrix}}}\,}}\,\) \(\xrightarrow[{(aq.)}]{{KOH}}\) \(\mathop {\mathop {\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,\,\,\,OH} \\
|
\end{array}} \\
{C{H_3} - C - C{H_3}} \\
| \\
{\,\,\,\,OH}
\end{array}}\limits_{Unstable} }\limits \xrightarrow{{{H_2}O}}\) \(\mathop {\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}}\limits_{(II)} \) \(\xrightarrow[{(II)\,{H_2}O\,/\,{H^ \oplus }}]{{(I)\,C{H_3}MgBr}}\) \({\mathop {\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,\,\,\,OH} \\
|
\end{array}} \\
{C{H_3} - C - C{H_3}} \\
| \\
{\,\,\,\,C{H_3}}
\end{array}}\limits_{{3^0}\,alcohol} }\) \(\xrightarrow[{Lucas\,\,\,Test}]{{Anhy.\,ZnC{l_3}\, + \,HCl}}\) Gives turbidity immediately