$\begin{matrix}
\begin{matrix}
O\,\,\, \,\,\, \\
||\,\,\,\,\,\, \\
\end{matrix}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-C-N-O-C{{H}_{3}} \\
|\,\,\,\,\, \\
\,C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{C{{H}_{3}}MgBr}$ $\begin{matrix}
O\,\,\, \\
||\,\,\, \\
Ph-C-C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{C{{H}_{3}}MgBr}$ $\begin{matrix}
\begin{matrix}
\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\Theta }{\mathop{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}}\,\overset{\oplus }{\mathop{Mg}}\,Br \\
|\,\,\,\, \\
\end{matrix} \\
Ph-C-C{{H}_{3}} \\
|\,\,\,\,\, \\
C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{{{H}^{\oplus }}}$ $\begin{matrix}
\begin{matrix}
\,\,\,OH \\
| \\
\end{matrix}\,\, \\
Ph-C-C{{H}_{3}} \\
|\,\,\,\, \\
\,C{{H}_{3}} \\
\end{matrix}$
$(a)$ $CH_3CH_2CH_2CH_2Br$
$(b)$ $\begin{matrix}
\begin{matrix}
\,\,\,\,\,\,C{{H}_{3}} \\
| \\
\end{matrix} \\
{{H}_{3}}C-C-C{{H}_{3}} \\
| \\
\,\,Br \\
\end{matrix}$
$(c)$
ઉપરની પ્રક્રિયા માટે નીચેની પ્રક્રિયા શરતોમાંથી કઈ આવશ્યક છે?
$ 3 \mathrm{ROH}+\mathrm{PCl}_3 \rightarrow 3 \mathrm{RCl}+\mathrm{A} $
$ \mathrm{ROH}+\mathrm{PCl}_5 \rightarrow \mathrm{RCl}+\mathrm{HCl}+\mathrm{B}$
${H_2}C = CHC{H_2}Br\xrightarrow{{NaCN}}Y\xrightarrow[{2.\,{H_3}{O^ + }}]{\begin{subarray}{l}
1.{C_6}{H_5}MgBr\, \\
diethylether
\end{subarray} }Z$