Question:

A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives

Updated On: Jun 20, 2024
  • benzyl alcohol and sodium formate
  • sodium benzoate and methyl alcohol
  • sodium benzoate and sodium formate
  • benzyl alcohol and methyl alcohol
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The Correct Option is A

Solution and Explanation

Benzaldyde and formaldehyde, both do not have a - hydrogen atom, so both will undergo Cannizzaro reaction; here formaldehyde will always be oxidised to formate while the other aldehyde ( $C_{6} H_{5} CHO$ or any other aldehyde not having $\alpha-H$, viz- $Me_{3}CCHO$) will always be reduced to corresponding alcohol (crossed Cannizzaro reaction)
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