What is the role of the concentrated sulfuric acid, added to a mixture of an carboxylic acid component of ester and the alcohol component of ester??
Answer:
I believe you are talking about Fischer Esterification.
The acid is a catalyst. It reacts with the carbonyl oxygen in order to make a carbocation intermediate which is then open to attack from the alcohol oxygen.
It acts as a strong oxidising agent
sulfuric acid is a dehydrating agent. It removes water molecule from the compound make the carboxylic and alcohol to form ester.
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