Phenol associates in benzene to a certain extent to form a dimer. A solution containing `20xx10^(-1)
Channel: Doubtnut
Date: 2020-04-12

Phenol associates in benzene to a certain extent to form a dimer. A solution containing `20xx10^(-1)` kg phenol in 1 kg of benzene has its freezing pint depressed by 0.69 K. Calculate the fraction of phenol that has dimerised. `"K"_("f")"  for benzene"=5.12" kg mol"^(-1)"k"`.