The freezing point of a solution containing 0.2 g of acetic acid in 20.0 g benzene is lowered by 0.45°C. The degree of association of acetic acid in benzene is (Assume acetic acid dimerises in benzene and Kf for benzene = 5 . 12 K kg mol-1) Mobserved of acetic acid = 113.78
(a) 94.5%
(b) 54.9%
(c) 78.2%
(d) 100%
