B. * 20 c , , , , , ,OH , , , , , ,| , , , , Ph - C - C H_3 ,| , , , , , , , , , , , ,C H_3 , , ,

Product (P) is

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MCQ

Product $(P)$ is

A
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,OH} \\
{\,|} \\
{Ph - {\text{ }}C - {\text{ }}Ph} \\
{\,|} \\
{\,\,\,Ph}
\end{array}$
✓
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,OH}\,\,\,\,\, \\
{\,|} \,\,\,\,\\
{Ph - {\text{ }}C - {\text{ }}C{H_3}} \\
{\,|}\,\,\,\,\, \\
{\,\,\,\,\,\,\,C{H_3}}\,\,\,
\end{array}$
C
$\begin{array}{*{20}{c}}
O \\
{||\,} \\
{Ph - {\text{ }}C - {\text{ }}C{H_3}}
\end{array}$
D
$\begin{array}{*{20}{c}}
{\,\,\,O} \\
{\,\,\,\,||\,} \\
{Ph - {\text{ }}C - {\text{ }}Ph}
\end{array}$

✓

Answer

Correct option: B.

$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,OH}\,\,\,\,\, \\
{\,|} \,\,\,\,\\
{Ph - {\text{ }}C - {\text{ }}C{H_3}} \\
{\,|}\,\,\,\,\, \\
{\,\,\,\,\,\,\,C{H_3}}\,\,\,
\end{array}$

b
excess of $CH_3MgBr$ is used to maximise the yield.

$\begin{matrix}
\begin{matrix}
O\,\,\, \,\,\, \\
||\,\,\,\,\,\, \\
\end{matrix}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-C-N-O-C{{H}_{3}} \\
|\,\,\,\,\, \\
\,C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{C{{H}_{3}}MgBr}$ $\begin{matrix}
O\,\,\, \\
||\,\,\, \\
Ph-C-C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{C{{H}_{3}}MgBr}$ $\begin{matrix}
\begin{matrix}
\overset{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\Theta }{\mathop{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O}}\,\overset{\oplus }{\mathop{Mg}}\,Br \\
|\,\,\,\, \\
\end{matrix} \\
Ph-C-C{{H}_{3}} \\
|\,\,\,\,\, \\
C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow{{{H}^{\oplus }}}$ $\begin{matrix}
\begin{matrix}
\,\,\,OH \\
| \\
\end{matrix}\,\, \\
Ph-C-C{{H}_{3}} \\
|\,\,\,\, \\
\,C{{H}_{3}} \\
\end{matrix}$