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Q. The compound that does not form an adduct with sodium bisulphite is

COMEDKCOMEDK 2011Aldehydes Ketones and Carboxylic Acids

Solution:

Most of the aldehydes, methyl ketones and benzaldehyde react with $NaHSO_3$ to form anĀ· adduct. Ketones containingĀ· bulky alkyl groups do not react with $NaHSO_3$ due to steric hindrance.