MCQ
$OCH - CHO\xrightarrow{{O{H^ - }}}HO{H_2}C - COOH$  The reaction given is
  • A
    Aldol condensation
  • B
    Knovengel reaction
  • Cannizzaro reaction
  • D
    None of these

Answer

Correct option: C.
Cannizzaro reaction
c
(c) It is an example of Cannizzaro reaction

$\mathop {\mathop {|\,\,\,\,\,\,\,\,\,}\limits^{CHO} }\limits_{CHO}  + NaOH\xrightarrow{{}}\mathop {\mathop {|\,\,\,\,\,\,\,\,\,\,\,\,}\limits^{C{H_2}OH} }\limits_{COONa} $

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$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{F}_{3}}\,C\,OH+C{{H}_{3}}\,CH\,C{{H}_{3}}  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH  \\
\end{matrix}\xrightarrow{{{H}_{2}}S{{O}_{4}}}\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{F}_{3}}\,C\,OCH\,C{{H}_{3}}+{{H}_{2}}O  \\
   |\,\,\,\,\,\,\,\,\,\,\,\, \,\,\,\, \\
   C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}$

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