$\mathop C\limits_{\mathop |\limits_{COOH} } {H_2}\, - \,\,\mathop {\mathop C\limits^{\mathop |\limits^{OH} } }\limits_{\mathop |\limits_{COOH} } \,\, - \,\,C{H_2}\,\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,OH$
$1$ $\,.\,\,\,C{H_3}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,H\,\,\,\,\,\,\,\,\,\,\,\,\,$
$2$ $\,.\,\,\,C{H_3}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,C{H_3}\,\,\,\,\,\,\,\,\,$
$3$ $\,.\,\,C{H_3}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,C{H_2}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,H\,\,\,\,\,\,$
$4$ $\,.\,\,C{H_3}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \, - \,\,C{H_2}\, - \,\mathop C\limits_{\mathop {||}\limits_O } \, - \,\,C{H_3}$
જ્યારે હાઇડ્રોજનમાંથી કોઈને ક્લોરિન અણુ દ્વારા બદલવામાં આવે છે ત્યારે કેટલા બંધારણીય સમઘટક શક્ય છે?
$(I)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_3}{H_7}$
$(II)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_2}{H_5}$
$(III)$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,H} \\
{\,\,\,\,\,\,\,\,|} \\
{H - {C^ \oplus }} \\
{\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,H}
\end{array}$
$(IV)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_2}{H_5}$
$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C{H_2} - C - C{H_2} - C{H_2} - C{H_3}}
\end{array}$