Assertion (A) Phenol forms 2, 4, 6-tribromophenol o treatement with `Br_(2)` in carbon disulphide at 273K.
Reason (R) Bromine polarises in carbon disulphide.
A. if both assertioon and reason are true and reason is the corrct explanation of assertion.
B. If both assertion and reason are ture but reason is not the corrcet explanation of assertion.
C. If assertion is true but reason is false .
D. if both assertion and reason are false.
