Q4 of 50 Page 1

Give the equation of reaction for the preparation of phenol from cumene.

The preparation of phenol from cumene can be explained in two steps:

1. In the first step, oxidation of cumene takes place in presence of air to form cumene hydro-peroxide. The reaction is:



2. In the second step, cumene hydro- peroxide is further treated with dilute acids to form phenol and acetone is formed as the by product. The reaction is as follows:



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