${H_3}C\,\, - \,\,\mathop C\limits_{\mathop |\limits_D } H\,\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,C{H_3}\, + \,\,\mathop B\limits^ \bullet r\,\, \to \,\,X\,\, + \,\,HBr$
મુખ્ય નીપજ નું $\delta$ બંધારણ ઓળખો
$\mathrm{Ph}-\mathrm{CH}=\mathrm{CH}_2 \xrightarrow[\text { (iii) } \mathrm{HBr}{(iv) \mathrm{Mg}, ether, then \mathrm{HCHO} / \mathrm{H}_3 \mathrm{O}^{+}}]{{(i)BH_3}{\text { (ii) } \mathrm{H}_2 \mathrm{O}_2,{ }^{\text {(-) }} \mathrm{OH}}} \mathrm{A}$
