MCQ
When a sulphur atom becomes a sulphide ion
- AThere is no change in the composition of atom
- ✓It gains two electrons
- CThe mass number changes
- DNone of these
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$C{H_3} - C{H_2} - Br\,\xrightarrow{{KCN}}\,\xrightarrow[{{H_2}O}]{{\bar OH}}\,\xrightarrow[\Delta ]{{PC{l_5}}}$ product
$\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,\,{R_1}} \\
|
\end{array}} \\
{R - C - X} \\
| \\
{\,\,{R_2}}
\end{array}\xrightarrow{{HOH}}\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,\,{R_1}} \\
|
\end{array}\,\,\,\,\,} \\
{R - C - OH} \\
{|\,\,\,} \\
{{R_2}}
\end{array}$
Which substrate will give maximum racemisation?