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Class 12th Chemistry || Menu
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Electrolysis, Class 12 Chemistry NCERT Solutions

1. There will be total 20 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. The EMF of a cell is related to the equilibrium contant of the cell reaction as
Electrolysis Multiple Choice Questions for CBSE Class 12 Chemistry   Topperlearning
 
 
 
 

Question 1 of 20

2. In an electrolytic cell the signs of the cathode and anode are
 
 
 
 

Question 2 of 20

3. In an experiment, the passage of electricity through dil H2SO4 for one hour liberates a total of 224 ml of H2 at S.T.P. The strength of current would be:
 
 
 
 

Question 3 of 20

4. Which of the following statements is true for electrolysis?
 
 
 
 

Question 4 of 20

5. The passage of current liberates H2 at cathode and Cl2 at anode. The solution is :
 
 
 
 

Question 5 of 20

6. Products of electrolysis depend upon :
 
 
 
 

Question 6 of 20

7. Which of the following is an application of electrolysis?
 
 
 
 

Question 7 of 20

8. Electrolysis makes
 
 
 
 

Question 8 of 20

9. The EMF of a chemical cell is positive when free energy change of reaction
 
 
 
 

Question 9 of 20

10. The free energy change is related to equilibrium constant as
11
 
 
 
 

Question 10 of 20

11. During electrolysis
 
 
 
 

Question 11 of 20

12. Electrolysis of dilute NaCl solution produces Cl2 at anode. This is because of
 
 
 
 

Question 12 of 20

13. Impure copper has to be purified using electrolysis. Which of the following is correct?
 
 
 
 

Question 13 of 20

14. Faraday’s laws of electrolysis are related to:
 
 
 
 

Question 14 of 20

15. If Z is constant, I is current passed in t second and m is the amount of substance deposited then which one is correct equation that represents the first law of electrolysis
 
 
 
 

Question 15 of 20

16. 4 amperes of current is passed through acidified water for 30 minutes. The volume of hydrogen gas obtained at S.T.P is
 
 
 
 

Question 16 of 20

17. Calculate the amount of charge required for the reduction of 1 mol of Cr2O72- ions to Cr3+ ions.
 
 
 
 

Question 17 of 20

18. In an electrochemical cell:
 
 
 
 

Question 18 of 20

19. What is charge on one mole electron known as?
 
 
 
 

Question 19 of 20

20. Faraday’s second law gives a relationship between mass and
 
 
 
 

Question 20 of 20

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