$\begin{array}{*{20}{c}}
{R = - CH - Cl}\\
{|\,\,}\\
{\,\,\,\,C{H_3}}
\end{array}\,\,\,\,,\,\,\,\,\,\,\,\,\,\,\begin{array}{*{20}{c}}
{S = - CH - Cl}\\
{|\,\,}\\
{Br}
\end{array}$
$(i)$ $ CH_3CH = CHCH_3$ અને
$(ii)$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - OH} \\
{|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,C{H_2}C{H_3}}
\end{array}$
પદાર્થો કઈ સમઘટક્તા દર્શાવે છે ?