MCQ
For the given reaction
$\begin{array}{*{20}{c}}
{{\,\,R_1}} \\
| \\
{R - C - X} \\
| \\
{{\,\,R_2}}
\end{array}\xrightarrow{{HOH}}\begin{array}{*{20}{c}}
{{\,\,R_1}\,\,\,\,} \\
{|\,\,\,\,} \\
{R - C - OH} \\
{|\,\,\,\,\,} \\
{{\,\,R_2}\,\,\,\,}
\end{array}$
Which substrate will give maximum racemisation ?
- A$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\
{\,\,\,\,\,\,|} \\
{{C_6}{H_5} - C - Br} \\
{\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_2}{H_5}}
\end{array}$ - B$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{C{H_2} = CH - C - Br} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_2}{H_5}}
\end{array}$ - ✓

- D

