MCQ
True order of bond angle is
- ✓${H_2}O > {H_2}S > {H_2}Se > {H_2}Te$
- B${H_2}Te > {H_2}Se > {H_2}S > {H_2}O$
- C${H_2}S > {H_2}O > {H_2}Se > {H_2}Te$
- D${H_2}O > {H_2}S > {H_2}Te > {H_2}Se$
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$\begin{array}{*{20}{c}}
{{\,\,R_1}} \\
| \\
{R - C - X} \\
| \\
{{\,\,R_2}}
\end{array}\xrightarrow{{HOH}}\begin{array}{*{20}{c}}
{{\,\,R_1}\,\,\,\,} \\
{|\,\,\,\,} \\
{R - C - OH} \\
{|\,\,\,\,\,} \\
{{\,\,R_2}\,\,\,\,}
\end{array}$
Which substrate will give maximum racemisation ?