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  4. The products of the reaction of HCHO and PhCHO in presence of concentrated base are

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Q. The products of the reaction of HCHO and PhCHO in presence of concentrated base are

NTA AbhyasNTA Abhyas 2020Aldehydes Ketones and Carboxylic Acids

Solution:

The reaction of an aldehyde with formaldehyde and aqueous base in known as crossed-Cannizzaro reaction. It is formaldehyde rather than the other aldehyde that undergoes oxidation.

HCHO + PhCHO $ \rightarrow $ $HCOO^{-}+PhCH_{2}OH$