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JEE Main levelSingle correct optionDifficulty 2 of 3co192

Ethanoyl chloride is added to a solution of anhydrous sodium ethanoate. The main organic product is

Aethyl ethanoate
Bethanamide
Cethanal
Dethanoic anhydride

Answer: D

The carboxylate ion is a nucleophile and displaces chloride from the acid chloride:

CH X_{3} COCl + CH X_{3} COO X^{-} Na X^{+} (CH X_{3} CO) X_{2} O + NaCl

, giving ethanoic anhydride.

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