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When phenol in treated with excess bromi...

When phenol in treated with excess bromine water, it gives

A

`2,4-`dibromophenol

B

`0-`and `p-`bromophenol

C

`2,4,6-` tribromophenol

D

`m-`bromophenol

Text Solution

Verified by Experts

The correct Answer is:
C
Phenol on treatment with excess of bromine water gives an immediate white precipitate of the `2,4,6-`tribromophenol.

In aqueous solution, phenol ionizes to yields phenoxide ion.
`C_(6)H_(5)O-H+H_(2)Ooverset(rarr)(larr)C_(6)H_(5)O^(-)+H_(3)O^(+)`
The electophile `Br^(+)` prefers to attack the higlhly activated ring of phenoxide ion.
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