MCQ
$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   R-C-R\underset{(catalyst)}{\overset{HCN}{\longleftrightarrow}}  \\
\end{matrix}\begin{matrix}
   \,\,\,\,\,OH  \\
   |  \\
   R-C-R  \\
   |  \\
   \,\,\,\,CN  \\
\end{matrix}$

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
    $HSO_4^-$

Answer

Correct option: C.
$Et - O^-$
c
$(c)$ Base stronger than cyanide is used as a catalyst.

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