Question

give the preparation of phenol chlorobenzene by Dow process.​

Answer 1

HERE IS YOUR ANSWER

Preparation of Phenol

Benzene can be easily converted to chlorobenzene by electrophilic aromatic substitution.

It is treated with aqueous sodium hydroxide at 350 °C and 300 bar or molten sodium hydroxide at 350 °C to convert it to sodium phenoxide, which yields phenol upon acidification.

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