chemistry 12th class cbse notes

General methods of preparation of phenols are described below:

Preparation of phenol From benzene sulphonic acid:

Preparation of phenol From benzene sulphonic acid

Preparation of phenol From haloarenes:

Preparation of phenol From haloarenes

Preparation of phenol From diazonium salt:

Preparation of phenol From diazonium salt

Commercial Preparation:

Phenol is prepared commercially by the cumene-phenol process in which cumene (isopropylbenzene) is oxidised to cumene hydroperoxide which on treating with dilute acid yields phenol and acetones.

cumene-phenol process

 

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