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  4. A+NaOH arrow CH3OH + HCOONa is the reaction, compound A is:

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Q. $ A+NaOH \rightarrow CH_{3}OH + HCOONa $ is the reaction, compound A is:

Jharkhand CECEJharkhand CECE 2002

Solution:

This is Cannizaro reaction. In this reaction aldehydes, which do not have $\alpha-$ hydrogen atom undergo disproportionation reaction, half of the, molecule are reduced and other half are oxidised.
$\underset{(A)}{HCHO} + NaOH \rightarrow \underset{\text{sodium formate}}{HCOONa} + \underset{\text{methyl alcohol}}{CH _{3} OH}$