KCET 2019 Chemistry Solved Paper

Question : 39 of 60

Marks: +1, -0

A non-volatile solute, ‘A’ tetramerises in water to the extent of 80%. 2.5 g of ‘A’ in 100 g of water, lowers the freezing point by 0.3°C. the molar mass of A in g mol–1 is (Kf for water = 1.86 K kg mol–1 )