${C_3}{H_7}OH\,\xrightarrow{{{H_2}S{O_4}}}X\,\xrightarrow{{B{r_2}}}\,Y\xrightarrow{{KOH}}Z$
$\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_2}} \\
{\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,Br\,\,\,\,\,\,\,\,\,Br}
\end{array}\xrightarrow{{KOH}}C{H_3} - C \equiv CH\, + \,2HBr$
ફિનોલ $,$ $p-$ મિથાઇલફિનોલ $,$ $ m-$ નાઇટ્રોફિનોલ અને $p-$ નાઇટ્રોફિનોલ
એસિટોન $\xrightarrow[(ii) \mathrm{H}_{2} \mathrm{O}, \mathrm{H}^{+}]{(i) \,\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr},\, dry \,Ether}$ નિપજ