Quiz 2 for Class 12 Chemistry Chapter 2 Solutions

Quiz 2 for Class 12 Chemistry Chapter 2 Solutions

Your score will be displayed after submitting the quiz.

/15
0 votes, 0 avg
0

Quiz 2 : Solutions - Class 12 Chemistry

Negative Marking :- No

Weightage per Question :- 1 Mark

Number of Questions :- 15

Duration of Quiz :- 15 min

1 / 15

1) The system that forms maximum boiling azeotrope is :

2 / 15

2) 25.3 grams of sodium carbonate (Na2CO3) is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion and carbonate and are respectively?

3 / 15

3) Camphor is often used in molecular mass determination because

4 / 15

4) The freezing point of 1 % solution of lead nitrate in water will be :

5 / 15

5) The van’t Hoff factor (i) for a compound which undergoes dissociation in one solvent and association in other solvent is respectively:

6 / 15

6) At 298 K, the total pressure of an ideal solution obtained by mixing 3 moles of ‘A’ and 2 moles of ‘B’ is 184 torr. What is the vapour pressure (in torr) of pure ‘B’ at the same temperature ? (Vapour pressure of ‘A’ at 298 K is 200 torr)

7 / 15

7) Dissolution of 1.5 gm of a non-volatile solute (molecular weight = 60) in 250 gm of a solvent reduces its freezing point by 0.01 °C. Find the molal depression constant of the solvent.

8 / 15

8) The molal elevation constant is the ratio of elevation in boiling point to :

9 / 15

9) What is the freezing point of a solution containing 8.1 gm HBr in 100 gm water ?Assuming the acid to be 90% ionised (given Kf for water = 1.86 K/mol).

10 / 15

10) What is the mole fraction of benzene in solution containing 30 % by mass in CCl4 ?

11 / 15

11) The vapour pressure of a solution of benzene and toluene is (mole fraction of benzene is 0.2, vapour pressure of pure benzene and pure toluene are 160 mmHg and 60 mmHg respectively)

12 / 15

12) 60 mL of 0.2 N H2SO4 , 10 mL of 0.5 N HNO3 and 30 mL of 0.1 N HCl are mixed together. The normality of the resulting mixture is:

13 / 15

13) The volume of ethyl alcohol (density 1.15 g/mL) that has to be added to prepare 100 mL of 0.5 M ethyl alcohol solution in water is :

14 / 15

14) Two liquids ‘A’ and ‘B’ form ideal solutions having vapour pressure 200 and 100 mmHg respectively. The mole fraction of ‘A’ in vapour phase in equilibrium with an equimolar solution of the two is :

15 / 15

15) What happens when blood cells are placed in pure water ?

Your score is

Share this quiz on social media

LinkedIn Facebook Twitter VKontakte
0%

Please rate this quiz

Quick Links (Solutions)
  • You can read and download our notes
  • You can practice multiple choice questions.
  • You can practice short and long answer questions
  • You can watch our pre-recorded video lectures. 
  • You can participate in multiple choice questions quiz.