$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{C{H_2} = CH - C{H_2} - C - H}
\end{array} \to C{H_3} - C{H_2} - C{H_2} - C{H_2}OH$
ફિનોલ $\xrightarrow[{Distillation}]{{Zn}}A$ $ \xrightarrow[{conc\,HN{O_3},60\,{}^oC}]{{conc\,{H_2}S{O_4}}}B$ $\xrightarrow[{NaO{H_{\left( {aq} \right)}}}]{{Zn}}C$