1.

Base catalysed aldol condensation occurs with

Answer»

propanal
butanal
ETHANAL
all of these

Solution :Aldolcondensation reactionshown by those aldehydes and ketones containing `alpha` hydrogen atoms or aldehydes and ketones having methyl or methylene GROUP in `alpha` POSITION.
Compounds a,B, c have `alpha` - hydrogen atoms.


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