MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryAldehydes and ketonesChemical Reactions of Carbonyl compounds

Treatment of propionaldehyde with dilute NaOH solution gives

A.CH3CH2COOCH2CH2CH3

B.CH3CH2CHOHCH(CH3)CHO✓ Correct

C.CH3CH2CHOHCH2CH2CHO

D.CH3CH2COCH2CH2CHO

Explanation

Aldol condensation is a chemical property of the aldehydes in which two molecules of the aldehydes combines to form a compound in which alcohol and aldehyde groups are present. But the requirement for the aldehyde to show aldol condensation is that, the aldehyde must have 훼−퐻푦푑푟표푔푒푛. So, the propionaldehyde with dilute NaOH will give 퐶퐻3 − 퐶퐻2 −퐶퐻(푂퐻) −퐶퐻(퐶퐻3) −퐶퐻푂. The reaction is given below:

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