CBSE Class 12 Chemistry Electro Chemistry Questions

Class 12 Chemistry Practice Assignments: CBSE Class 12 Chemistry Electro Chemistry Questions

Access comprehensive school assignments for Unit 2 Electrochemistry using the CBSE Class 12 Chemistry Electro Chemistry Questions. Designed to align with the 2026-27 CBSE academic guidelines, these practice sets help Class 12 Chemistry students reinforce core concepts and improve their problem-solving accuracy.

Download Unit 2 Electrochemistry Assignment PDF with Solutions

View or download the dedicated CBSE Class 12 Chemistry Electro Chemistry Questions resource below. Engaging with these assignments under focused study conditions ensures continuous academic progress and mastery of the 2026-27 curriculum.

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 Assignments for Unit 2 Electrochemistry

Revision Assignment: Unit 2 Electrochemistry (CBSE)

Explore reliable practice questions for Unit 2 Electrochemistry tailored for Class 12 learners. Use these structured worksheets to evaluate preparedness and strengthen core problem-solving skills.

Why Practice Class 12 Chemistry Assignments?

  • Syllabus Compliance: Sets reflect current CBSE evaluation criteria and official marking frameworks.
  • Multi-Format Practice: Includes varied problem types designed to deepen comprehension across all sub-topics.
  • Time Management: Routine practice optimizes pacing to finish school examinations comfortably within schedule.

How to Approach Chemistry Unit 2 Electrochemistry Assignments

  1. Concept Foundation: Review the NCERT book for Class 12 Chemistry thoroughly before diving into assignment tasks.
  2. Self-Evaluation: Solve exercises independently before inspecting professional answer guides.
  3. Progress Monitoring: Note down complex formulas or concepts, clearing them up using available online practice aids.

FAQs

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

You can download free PDF assignments for Class 12 Chemistry Unit 2 Electrochemistry from StudiesToday.com. These practice sheets have been updated for the 2026-27 session covering all concepts from latest NCERT textbook.

Do these Chemistry Unit 2 Electrochemistry assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 12 Chemistry 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 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 Unit 2 Electrochemistry.

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

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

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

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