Carboxylic Acids and their Derivatives - Result Question 4-1

4.The major product obtained in the following reaction is

(2019 Main, 10 Jan II)

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Answer:

Correct Answer: 4. (b)

Solution:

In presence of strong base, acidic $H$ can easily be removed that result in formation of anion. The resulting anion undergoes intramolecular nucleophilic addition which on hydrolysis followed by heating gives the required product.

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