MCQ
Glyoxal $(CHOCHO)$ on being heated with concentrated $NaOH$ forms.
  • A
    $HOOC COOH$
  • B
    $HOCH_2 -CH_2OH$
  • C
    $CHOCOOH$
  • $CH_2OH -COONa$

Answer

Correct option: D.
$CH_2OH -COONa$
d
Intramolecular cannizzaro reaction in which one

$-\,CHO$ group oxidise in acidic group and another

$-\, CHO$ group of same comp. is reduced in alcohol.

$\begin{array}{*{20}{c}}
  {C{H_2} - C - O - Na} \\ 
  {\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {OH\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}\,$

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