MCQ
$C{H_3}CHO$ react with aqueous $NaOH$ solution to form
  • $3-$hydroxy butanal
  • B
    $2-$hydroxy butanal
  • C
    $4-$hydroxy butanal
  • D
    $3-$hydroxy butanol

Answer

Correct option: A.
$3-$hydroxy butanal
a
(a)This reaction is aldol condensation


$\mathop {2C{H_3}CHO\xrightarrow{{{\text{dil}}\,\,\,{\text{NaOH}}}}C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,\,\,} }\limits_{OH}  - C{H_2} - CHO}\limits_{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,3 - {\text{hydroxy}}\,\,{\text{butanal}}} $

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