MCQ
Correct rate of reaction with $PhMgBr$ is
- ✓$\begin{array}{*{20}{c}}
{O\,\,}\\
{||\,\,\,}\\
{Ph - C - Cl > }
\end{array}\begin{array}{*{20}{c}}
{O\,\,\,\,\,}\\
{||\,\,\,\,\,}\\
{Ph - C - Me > }
\end{array}\begin{array}{*{20}{c}}
{\,\,\,\,O\,\,\,\,\,\,\,\,}\\
{\,\,\,||\,\,\,\,\,\,}\\
{Ph - C - OMe}
\end{array}$ - B$\begin{array}{*{20}{c}}
{O\,\,}\\
{||\,\,\,}\\
{Ph - C - Me> }
\end{array}\begin{array}{*{20}{c}}
{O\,\,\,\,\,}\\
{||\,\,\,\,\,}\\
{Ph - C - Cl > }
\end{array}\begin{array}{*{20}{c}}
{\,\,\,\,O\,\,\,\,\,\,\,\,}\\
{\,\,\,||\,\,\,\,\,\,}\\
{Ph - C - OMe}
\end{array}$ - C$\begin{array}{*{20}{c}}
{O\,\,}\\
{||\,\,\,}\\
{Ph - C - OMe > }
\end{array}\begin{array}{*{20}{c}}
{O\,\,\,\,\,}\\
{||\,\,\,\,\,}\\
{Ph - C - Cl > }
\end{array}\begin{array}{*{20}{c}}
{\,\,\,\,O\,\,\,\,\,\,\,\,}\\
{\,\,\,||\,\,\,\,\,\,}\\
{Ph - C - Me}
\end{array}$ - D$\begin{array}{*{20}{c}}
{O\,\,}\\
{||\,\,\,}\\
{Ph - C - Cl > }
\end{array}\begin{array}{*{20}{c}}
{O\,\,\,\,\,}\\
{||\,\,\,\,\,}\\
{Ph - C - OMe > }
\end{array}\begin{array}{*{20}{c}}
{\,\,\,\,O\,\,\,\,\,\,\,\,}\\
{\,\,\,||\,\,\,\,\,\,}\\
{Ph - C - Me}
\end{array}$
