
$C{H_3}C \equiv CH\xrightarrow[{(ii)\,Dl}]{{(i)\,DCl\,\,(1\,equiv)}}$

$\mathop {C{H_3} - }\limits_\delta \mathop {C{H_2} - }\limits_\gamma \mathop {CH = }\limits_\beta \mathop {C{H_2}}\limits_\alpha $
$(E)$
બેન્ઝિન $\xrightarrow{HCHO+HCl}\,A$$\xrightarrow{AgCN}\,B$




$[Figure]$ $\xrightarrow{{B{r_2}/hv}}$
[જ્યાં, $D$ એ હાઇડ્રોજનનો સમસ્થાનિક છે]
$Ph - C \equiv C - Ph \to $




