Chemistry MCQ

Lowering of vapour pressure of solution

Colligative property depends only on ………………. in a solution.

When partial pressure of solvent in solution of nonvolatile solute is plotted against its mole fraction, nature of graph is

Partial pressure of solvent in solution of non-volatile solute is given by equation,

According to the Raoult’s law, the relative lowering of vapour pressure is equal to the

The value of van’t Hoff factor will be minimum for

The van’t Hoff factor for an aqueous solution of an electrolyte is

Abnormal molar mass is produced by

5 % solution of glucose is isotonic with a solution of urea (M = 60). Hence the weight of urea present in the solution is

A temperature at which 0.1 M KCl solution will have osmotic pressure 10 atm will be

Vapour pressure of solution of a nonvolatile solute is always

The osmotic pressure of 0.2 M KCl solution at 310 K is

The osmotic pressure of 0.1 M HCl solution at 27 °C will be

0.2 M urea solution can be isotonic with

Which of the following 0.1 M aqueous solutions will exert highest osmotic pressure ?

The vapour pressure of water is 15.5 mm at 20 °C. The lowering of vapour pressure of 0.02 m K Br solution will be

Isotonic solutions are the solutions having the same

The osmotic pressure of 5% glucose solution at 300 K is

A mango kept in a salt solution shrinks. Hence the liquid content in mango with respect to the salt solution is

As temperature increases

In osmosis

At a freezing point,

If the freezing point of 0.1 m solution is 272.814 K, then the freezing point of 0.2 m solution will be

Which of the following solutions shows maximum depression in freezing point ?

10.0 grams of caustic soda when dissolved in 250 cm3 of water, the resultant molarity of solution is

Which of the following aqueous solutions will have minimum elevation in boiling point ?

The determination of molar mass from elevation in boiling point is called

Molal elevation constant is elevation in boiling point produced by

A solution having the highest vapour pressure is

The addition of the nonvolatile solute into the pure solvent ……………..

Relative vapour pressure lowering depends only on

The vapour pressure of an aqueous solution of glucose at 100 °C is 710 mm Hg. Hence the molality of the solution is

The relative lowering of vapour pressure of a solution is proportional to the

Raoult’s law is not applicable to

A molal solution is one that contains one mole of solute in

Which of following salts solubility increases appreciably with increase in temperature?