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in Aldehydes, Ketones and Carboxylic Acids by (26.2k points)
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(a) Which of the following carbonyl compounds answer aldol condensation reaction and give equation.

HCHO, CH3CHO, CCI3CHO, C6H6 -CHO

(b) Arrange the following compounds in the increasing order of acidity:

CH3COOH, CH2CICOOH, CH3-CH2-COOH, C6H5 -COOH

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Best answer

(a) Among these compounds only CH3CHO answer aldol condensation reaction. Others will not answer this reaction because they have no α – hydrogen atom.

(b) C6H5 -COOH >CH2-CICOOH >CH3COOH>CH3-CH2-COOH

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