[" Phenol on reaction with bromine in "CS_(2)],[" gives "]

Phenol reacts with bromine in CS_2 , to give:

Explain why phenol with bromine water forms 2,4,6-tribromophenol while on reaction with bromine in CS_(2) at low temperature forms para-bromophenol as the major product .

Phenol on treatment with bromine water gives