$C{{H}_{3}}-CH=C{{H}_{2}}\xrightarrow{HBr}\underset{2-bromopropane}{\mathop{\begin{matrix}
C{{H}_{3}}-CH-C{{H}_{3}} \\
|\,\,\,\, \\
Br\, \\
\end{matrix}}}\,$
$C{{H}_{3}}-C\equiv CH\xrightarrow{HBr}\begin{matrix}
C{{H}_{3}}-C=C{{H}_{2}} \\
| \\
Br \\
\end{matrix}$ $\xrightarrow{{HBr}}\mathop {\begin{array}{*{20}{c}}
{\,Br} \\
| \\
{C{H_3} - C - C{H_3}} \\
| \\
{\,Br}
\end{array}}\limits_{2,2 - dibromopropane} $
$C{H_3}CH = CHBr\xrightarrow{{HBr}}\mathop {\begin{array}{*{20}{c}}
{C{H_3} - CH - C{H_2}Br} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{\,Br\,\,\,\,\,\,\,\,\,}
\end{array}}\limits_{1,2 - dibromopropane} $

$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\mathop C\limits_7 {H_3} - \mathop C\limits_6 - \mathop C\limits_5 H = \mathop C\limits_4 H - \mathop C\limits_3 H - \mathop C\limits_2 \equiv \mathop C\limits_1 H} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
જે નીચેના ક્રમમાં છે.
નીચેનામાંથી કઈ ઉર્જાનો આલેખ એકંદરે પ્રક્રિયાને શ્રેષ્ઠ રીતે રજૂ કરે છે ?