Osmosis and Osmotic Pressure, Class 12 Chemistry NCERT Solutions

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. What is the osmotic pressure of a solution containing 3.42 g of cane sugar in 1litre solution at 27°C .Molar mass of cane sugar is 342 g.

0.246 atm

2.46 atm

0.2 atm

1 atm

Your comments:

Question 1 of 10

2. What is the effect of temperature on the osmotic pressure of solution?

It decreases with increase in temperature

It decreases very very slowly with increase in temperature

No effect of temperature

It increases with increase in temperature

Your comments:

Question 2 of 10

3. Which of the following colligative property can provide molar mass of proteins ( or polymers or colloids) with greater precision?

Elevation of boiling point

Osmotic pressure

Relative lowering of vapour pressure

Depression of freezing point

Your comments:

Question 3 of 10

4. Equal volume of 1 M urea and 1 M glucose are mixed. the mixture will have

same osmotic pressure

lower osmatic pressure

higher osmotic pressure

none of these

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Question 4 of 10

5. The process of movement of solvent through a semipermeable membrane from the solution to the pure solvent by applying excess pressure on the solution side is called

Association

Diffusion

Osmosis

Reverse osmosis

Your comments:

Question 5 of 10

6. The osmotic pressure of one molar solution at 0°C is

11.5 atm

12.2atm

22.4atm

18.6atm

Your comments:

Question 6 of 10

7. Which one of the following processes is used for desalination of sea water ?

Electrophoresis

Osmosis

Reverse osmosis

Diffusion

Your comments:

Question 7 of 10

8. On lowering of temperature of solution, the rate of osmosis decreases because

The velocity of solvent particles increases

The solute undergoes either dissociation or association

The rate of transfer of particle across semi permeable membrane decreases.

The viscosity of solvent increases.

Your comments:

Question 8 of 10

9. The phenomenon of flow of solvent molecules through a semi permeable membrane from pure solvent to solution is called

Association

Osmosis

Diffusion

Reverse osmosis

Your comments:

Question 9 of 10

10. What is the molar mass of the nonelectrolyte if 2 g of it when dissolved in 100 mL of solution has osmotic pressure of 0.1 atm at 27 °C?

4.29 g/mol

4.92 g/mol

4.92 kg/mol

4.1g/mol

Your comments:

Question 10 of 10

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