$2-$ મીથાઈલબ્યુટેન $\xrightarrow{{B{r_2},\,hv}}$ $2-$ બ્રોમો $-3-$ મીથાઈલબ્યુટેન
(not the major product)
$C{H_3}Cl\,\,\xrightarrow{{KCN}}\,\,(A)\,\,\xrightarrow{{{H_2}{O^ + }}}\,\,(B)\,\,\xrightarrow{{N{H_3}}}\,\,(C)\,\,\xrightarrow{\Delta }\,\,(D)$