Solutions Test ...

A 0.100 m solution of NaClO₃ freezes at – 0.343^oC. At 0.001 m concentration of the same salt, the electrical interferences between the ions no longer exist, because on an average, the ions are too far from each other.

The degree of dissociation of a 0.100 m NaCl solution is

Raoult’s law states that for a solution of volatile liquids the partial pressure of each component in the solution is

The molality of a solute in a solution is the

Molality of a solution relates the

A solution of sucrose in 100 g of water boils at 100.25°C. If this solution is boiled till its temperature becomes 101°C, the mass of water evaporated from the solution is

Example of solution of liquid in gas is

Which of the following is true?

Which of the following is true?

An aqueous solution of an ionic salt having molality equal to 0.1892 freezes at – 0.704^oC. What is the van't Hoff factor of the salt? (Given K_f for water = 1.86 K/m)

Which of the following is not a colligative property?

The freezing point of equimolal solution will be the lowest for

At a certain temperature, the vapour pressures of benzene and toluene are 119 torr and 37 torr, respectively. The mole fraction of toluene in the vapour phase, which is in equilibrium with a solution of benzene and toluene in 1 : 1 molar ratio, is

The expression relating molarity of a solution with its molality is (where the various symbols have their usual meanings)

The vapour pressures of pure benzene and toluene are 160 Torr and 60 Torr, respectively. The mole fraction of benzene in vapour phase in contact with equimolar solution of benzene and toluene would be

A non-ideal solution was prepared by mixing 30 ml chloroform and 50 ml acetone. The volume of the mixture will be

The boiling point of a solution at a height of 10 km above the sea level is

The expression to compute the molar mass of a solute from the elevation of boiling point of a solvent is (where the various symbols have their usual meanings)

The osmotic pressure of 0.1 M sodium chloride solution at 27°C is

Which law shows relation between pressure and solubility of a gas in solvent

For a dilute solution, Raoult`s law states that

Minimum boiling azeotrope is form by the solution which show

Which of the following statements is not true about ideal solutions?

Which of the following solutions will show positive deviation from ideal behaviour?

The vapour pressure lowering of a solvent is proportional to

In the phenomenon of osmosis through semi-permeable membrane,