$(I)$ $\begin{array}{*{20}{c}}
O \\
{||} \\
{Ph\, - C - Ph}
\end{array}$
$(II)$ $\begin{array}{*{20}{c}}
{\,\,\,\,O} \\
{\,\,\,\,||} \\
{C{H_3} - C - H}
\end{array}$
$(III)$ $\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}$
is
ટોલ્યુઇન $\xrightarrow{{KMn{O_4}}}A\xrightarrow{{SOC{l_2}}}$ $B\xrightarrow[{BaS{O_4}}]{{{H_2}/Pd}}C$
તો નીપજ $C$ શું હશે ?
$C$નું સાચુ બંધારણ શોધો.