(A) Kb​ for water =0.512mol∘C−Kg​Kf​ for water =1.86mol∘C−Kg​So, Kb​<Kf​ for water(B) Since, Kb​<Kf​ so ΔTb​<ΔTf​ [same equimolal solution](C) Osmotic pressure is used to determine molar mass of protiens & polymers(D) dimerised form of benzoic acid in benzene