Question

How is benzene sulphonic acid prepared?

Answer 1

Answer:

Preparation of Phenols from Benzene Sulphonic Acid:

The benzene-sulphonic acid can be obtained by reacting with oleum from benzene. The benzenesulfonic acid thus formed is treated at high temperatures with molten sodium hydroxide which leads to sodium phenoxide formation.

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Answer 2

Answer:

Benzenesulfonic acid is prepared from the sulfonation of benzene using concentrated sulfuric acid:

Aromatic sulfonation of benzene

This conversion illustrates aromatic sulfonation, which has been called "one of the most important reactions in industrial organic chemistry"

Explanation:

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