1.

Which of the following does not undergo Cannizzaro reaction?

Answer»

Benzaldehyde
2 - Methylpropanal
p - Methoxybenzaldehyde
2, 2 - Dimethylpropanal

Solution :Aldehydes containing no `alpha`-H atoms on heating with concentrated alkali solution `(50%)` UNDERGO CANNIZZARO's reaction. In this reaction one molecule is oxidised at the EXPENSE of other which is reduced to alcohol.


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