The elevation in boiling point of a solution of 13.44 g of CuCl₂ in 1 kg of water using the following information will be (Molecular weight of CuCl₂= 134.4 g and Kb= 0.52 K kg mol^-1)

The molecular weight of benzoic acid in benzene as determined by depression in freezing point method corresponds to:

The amount of dibasic acid present in 100 ml of the aq. solution to give solution of[mol. wt. = 200] normality of 0.1N is

Which one of the following aqueous solutions will exihibit highest boiling point ?

In a 0.2 molal aqueous solution of a weak acid HX the degree of ionization is 0.3. Taking k_f for water as 1.85, the freezing point of the solution will be nearest to

A solution is formed by diluting 250 ml. of 0.400 N H₂SO₄ with one litre of water. The normality of above formed solution is :

Brownian movement is found in

The normality of mixture obtained by mixing 100 ml of 0.4 M H₂SO₄ and 200 ml of 0.2M HCl is

1.00 g of a non-electrolyte solute (molar mass 250 g mol^-1)was dissolved in 51.2 g of benzene. If the freezing point depression constant, K_f of benzene is 5.12 K kg mol^-1, the freezing point of benzene will be lowered by

The freezing point of a 3% aq. solution of A is equal to the freezing point of 9% aq. solution of B. If the molecular weight of ‘A’ is 60, then the molecular wt. of B is