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Aldehydes, Ketones and Carboxylic Acids — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryAldehydes, Ketones and Carboxylic Acids4 Marks
Question
Explain the mechanism of esterification.
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Answer

Carboxylic acid reacts with alcohols in the presence of mineral acid as a catalyst and forms esters. This reaction is called esterification.
Consider the following reaction for the preparation of ethyl acetate from ethanoic acid.
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The mechanism involved in the above esterification reaction can be explained as follows:
Protonation of the –OH group of the acid enhances the nucleophilic attack by alcohol to give the ester.
Step 1: Protonation of carboxylic acid
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