Question

10. ) Define phenol. How is phenol obtained strating
from
cumina?​

Answer 1

Answer: Definition:

A mildly acidic toxic white crystalline solid obtained from coal tar and used in chemical manufacture, and in dilute form (under the name carbolic ) as a disinfectant.

Any compound with a hydroxyl group linked directly to a benzene ring.

Preparation of Phenols from Cumene:

Cumene is an organic compound obtained by Friedel-Crafts alkylation of benzene with propylene. Upon oxidation of cumene (isopropylbenzene) in the presence of air, cumene hydroperoxide is obtained. Upon further treatment of cumene hydroperoxide with dilute acid, phenols are obtained.