Solutions Test ...

The osmotic pressure of a 0.010 M MgSO₄ solution at 500 K is 0.82 atm. Calculate , the van’t Hoff factor, for this MgSO₄ solution.

 Benzoic acid dissolved in benzene will show a molecular weight of

 Molar mass that is either lower or higher than expected or normal molar mass is called as

 0.01 M solution of common salt (NaCl) and (CH₃COOH ) is taken. If their osmotic pressures are p₁and p₂ resp., what will be the correct statement correlating their osmotic pressures?

If α is the degree of dissociation of Na₂SO₄, the vant Hoff’s factor (i) used for calculating the molecular mass is

Lowering of vapour pressure is highest for

 Increasing the temperature of solution of a weak electrolyte will cause

 What is the freezing point of 0.1 m glucose solution in water? For water Kf is 1.86 K kg/mol?

van’t Hoff factor is denoted by letter

The ratio of osmotic pressure of a 1:1 electrolyte AB to that of a non electrolyte solute of same concentration is