MCQ
$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
R-C-R\underset{(catalyst)}{\overset{HCN}{\longleftrightarrow}} \\
\end{matrix}\begin{matrix}
\,\,\,\,\,OH \\
| \\
R-C-R \\
| \\
\,\,\,\,CN \\
\end{matrix}$
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
R-C-R\underset{(catalyst)}{\overset{HCN}{\longleftrightarrow}} \\
\end{matrix}\begin{matrix}
\,\,\,\,\,OH \\
| \\
R-C-R \\
| \\
\,\,\,\,CN \\
\end{matrix}$
Which of following can be used as a catalyst in the above reaction?
- A$Cl^-$
- B$\begin{matrix}
\,\,\,\,\,\,O \\
\,\,\,\,\,|| \\
C{{H}_{3}}-C-{{O}^{-}} \\
\end{matrix}$ - ✓$Et - O^-$
- D$HSO_4^-$
