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The final product(s) of basic hydrolysis followed by acidification of ethyl butanoate is _______

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The final product(s) of basic hydrolysis followed by acidification of ethyl butanoate is _______

(a) ethanoic acid

(b) butanoic acid

(c) ethanoic acid and butanoic acid

(d) butanoic acid and ethanol

This question was posed to me in an interview for internship.

This key question is from Methods of Carboxylic Acids Preparation in section Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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Correct option is (b) butanoic acid

Explanation: Ethyl butanoate (CH3CH2CH2COOC2H5) on basic hydrolysis forms CH3CH2CH2COONa and ethanol. Then this sodium carboxylate compound gets acidified to give butanoic acid.

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