In esterification reactions, concentrated $H_{2} S O_{4}$ acts as:

catalyst

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dehydrating agent

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oxidizing agent

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both

A

and

B

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Solution

The correct option is D both $A$ and $B$
The esterification reaction can be catalyzed by the presence of an acid or a base.

Also, during the reaction, a carboxylic acid reacts with an alcohol to form an ester. A molecule of water is also eliminated.

Sulphuric acid catalyzes the reaction and also acts as a dehydrating agent.

Option D is correct.

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Similar questions

H N O_{3}

H_{2} S O_{4}

H N O_{3}

nitrating mixture is obtained by mixing concentrated $H N O_{3}$ and concentrated $H_{2} S O_{4}$ . The role of the latter - $H_{2} S O_{4}$ is:

H_{2} S O_{4}

C H_{3} C H_{2} O H h o t c o n c . H_{2} S O_{4} - -------- \to C H_{2} = C H_{2} + H_{2} O

H_{2} S O_{4}

2 A g + 2 H_{2} S O_{4} \to {A g}_{2} S O_{4} + 2 H_{2} O + S O_{2}

H_{2} S O_{4}

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