JEE Main & Advanced
Chemistry
Solutions / विलयन
Question Bank
Numerical Value Type Questions - Solution & Colligative Property
question_answer
Phenol associates in benzene to a certain extent to form a dimer. A solution containing \[20\times {{10}^{-3}}kg\] of phenol in 1.0 kg of benzene has its freezing point depressed by 0.69 K. Calculate the fraction of phenol that has dimerised. (\[{{K}_{f}}\] for benzene \[=5.12K\,kg\,mo{{l}^{-1}}\] )