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Assertion: Phenol forms 2,4,6-tribromophenol on treatment with Br_(2) in carbon disulphide at 273K. Reason: Bromine polarises in carbon disulphide.

Answer»

ASSERTION and reason both are correct and reason is correct explanation of assertion.<BR>Assertion and reason both are wrong statement.
Assertion is correct statement but reason is wrong statement.
Assertion is wrong statement but reason is correct statement.

Solution :Correct assertion. Phenol forms 2,4,6-tribromophenol on treatment with `Br_(2)` in water.
Correct reason. In `H_(2)O`, phenoxide ion is FORMED which highly ACTIVATES it towards electrophilic substitution reaction.


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