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Question

Which of the following statements is not true regarding acid-catalysed hydrolysis of carboxylic esters?


A
Protonation of the alkoxy oxygen of the tetrahedral intermediate facilitates elimination of the alcohol.
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B
Protonation of the carbonyl oxygen enhances its electrophilicity.
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C
Hydroxide ion adds to the protonated carbonyl group.
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D
The initially formed protonated carboxylic acid is deprotonated to give the final product.
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Solution

The correct option is B Hydroxide ion adds to the protonated carbonyl group.
In the given reaction, Hydroxide ion didn't add to the protonated carbonyl group.
Water molecule added to the protonated carbonyl group. Remaining all are true according to the above mechanism.

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