MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryAldehydes and ketonesChemical Reactions of Carbonyl compounds

Predict the product ‘B’ in the sequence of reaction

A.CH3COONa

B.CH3COOH

C.CH3CHO

Explanation

The reactant is ethyne so, when the ethyne is reacted in the presence of dil.퐻2푆푂4 and 퐻푔푆푂4 to form acetaldehyde. Hence, acetaldehyde is the product A.So this product A on the reaction with 푁푎푂퐻 will undergo aldol condensation to form 3-hydroxybutanal. The reaction is given below:

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