CBSE Class 12 Chemistry Electro Chemistry Questions

Read and download the CBSE Class 12 Chemistry Electro Chemistry Questions for the 2025-26 academic session. We have provided comprehensive Class 12 Chemistry school assignments that have important solved questions and answers for Unit 2 Electrochemistry. These resources have been carefuly prepared by expert teachers as per the latest NCERT, CBSE, and KVS syllabus guidelines.

Solved Assignment for Class 12 Chemistry Unit 2 Electrochemistry

Practicing these Class 12 Chemistry problems daily is must to improve your conceptual understanding and score better marks in school examinations. These printable assignments are a perfect assessment tool for Unit 2 Electrochemistry, covering both basic and advanced level questions to help you get more marks in exams.

Unit 2 Electrochemistry Class 12 Solved Questions and Answers

 

VSA QUESTIONS (1 - MARK QUESTIONS)
1. What is a galvanic cell?
 
2. Give the cell representation for Daniell Cell.
 
3. Mention the purpose of salt-bridge placed between two half-cells of a galvanic cell?
 
4. Give the condition for Daniell Cell in which there is no flow of electrons or current.
 
5. How is electrode potential different from cell potential?
 
6. Can you store zinc sulphate solution in a copper container? Give suitable reason.
(EθZn2+/Zn = – 01.76V, EθCu2+/Cu = 0.34v)
 
7. How does electrochemical series help us in predicting whether a redox reaction is feasible or not?
 
8. Write Nernst equation for the electrode reaction. Mn+(aq) + ne → M(s) at 298 K and 1 bar pressure.
 
10. List the two factors that influence the value of cell potential of a galvanic cell.
 
11. How is equilibrium constant of a reaction related to standard cell potential?
 
12. Write the relation between Eθcell and equilibrium constant (K) of cell reaction.
 
13. Define cell constant. Write the SI unit of cell constant.
 
14 How does specific conductance or conductivity of electrolytic solution vary with temperature?
 
15. What is the SI unit of (i) Conductance; (ii) Conductivity.
 
16. Represent a concentration cell with a suitable example.

17. State one difference between a primary battery and secondary battery.

18. Galvanized iron does not corrode even if the coating of zinc is broken. Explain why?
CBSE Class 12 Chemistry - Electro Chemistry Questions
19. Write the unit of Faraday constant.

20. Write the name of a chemical substance which is used to prevent corrosion.
[Ans. : Bisphenol]

21. Show is the direction of flow of electrons in the following cell : Zn (s) | Zn2+ (aq) || Ag+ (aq) | Ag (s)

22. Rusting of iron becomes quicker in saline water?

23. Two metals A and B have reduction potential values of – 0.25V and 0.80V respectively. Which of these will liberate hydrogen gas from dilute H2SO4?

24. Express the relation between conductivity and molar conductivity.

25. Name the cell which was used in Apollo space programme.

26. How many faradays are required to oxidise 1 mole of H2O to O2.
[Ans. : 2F]

SA (I) TYPE QUESTIONS (2 - MARK QUESTIONS)

1. List two points of difference between metallic conductance and electrolyticc onductance.

2. List two points of difference between electrochemical cell and electrolytic cell.

3. List two factors which affect the conductivity of ionic solutions.

4. A conventional method of representing a Daniel cell is :

Zn (s) | Zn2+ (1M) || Cu2+ (1M) | Cu (s).

(i) Draw a diagram of the cell and mark anode and cathode as currentis drawn from the cell.

(ii) Write the reactions taking place at the cathode and the anode during the operation of Daniel cell.

5. Suggest a method to determine the °m value of water.
 

Please refer to the link below for CBSE Class 12 Chemistry Electro Chemistry Questions

 
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CBSE Class 12 Chemistry Unit 2 Electrochemistry Assignment

Access the latest Unit 2 Electrochemistry assignments designed as per the current CBSE syllabus for Class 12. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Unit 2 Electrochemistry. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.

Benefits of solving Assignments for Unit 2 Electrochemistry

Practicing these Class 12 Chemistry assignments has many advantages for you:

  • Better Exam Scores: Regular practice will help you to understand Unit 2 Electrochemistry properly and  you will be able to answer exam questions correctly.
  • Latest Exam Pattern: All questions are aligned as per the latest CBSE sample papers and marking schemes.
  • Huge Variety of Questions: These Unit 2 Electrochemistry sets include Case Studies, objective questions, and various descriptive problems with answers.
  • Time Management: Solving these Unit 2 Electrochemistry test papers daily will improve your speed and accuracy.

How to solve Chemistry Unit 2 Electrochemistry Assignments effectively?

  1. Read the Chapter First: Start with the NCERT book for Class 12 Chemistry before attempting the assignment.
  2. Self-Assessment: Try solving the Unit 2 Electrochemistry questions by yourself and then check the solutions provided by us.
  3. Use Supporting Material: Refer to our Revision Notes and Class 12 worksheets if you get stuck on any topic.
  4. Track Mistakes: Maintain a notebook for tricky concepts and revise them using our online MCQ tests.

Best Practices for Class 12 Chemistry Preparation

For the best results, solve one assignment for Unit 2 Electrochemistry on daily basis. Using a timer while practicing will further improve your problem-solving skills and prepare you for the actual CBSE exam.

Where can I download the latest CBSE Class 12 Chemistry Chapter Unit 2 Electrochemistry assignments?

You can download free PDF assignments for Class 12 Chemistry Chapter Unit 2 Electrochemistry from StudiesToday.com. These practice sheets have been updated for the 2025-26 session covering all concepts from latest NCERT textbook.

Do these Chemistry Chapter Unit 2 Electrochemistry assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 12 Chemistry Chapter Unit 2 Electrochemistry assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.

Are the assignments for Class 12 Chemistry Chapter Unit 2 Electrochemistry based on the 2026 exam pattern?

Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Chapter Unit 2 Electrochemistry.

How can practicing Chapter Unit 2 Electrochemistry assignments help in Chemistry preparation?

Practicing topicw wise assignments will help Class 12 students understand every sub-topic of Chapter Unit 2 Electrochemistry. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Chemistry Chapter Unit 2 Electrochemistry assignments for free on mobile?

Yes, all printable assignments for Class 12 Chemistry Chapter Unit 2 Electrochemistry are available for free download in mobile-friendly PDF format.