Download the latest CBSE Class 12 Chemistry Electrochemistry Notes Set F in PDF format. These Class 12 Chemistry revision notes are carefully designed by expert teachers to align with the 2025-26 syllabus. These notes are great daily learning and last minute exam preparation and they simplify complex topics and highlight important definitions for Class 12 students.
Chapter-wise Revision Notes for Class 12 Chemistry Unit 2 Electrochemistry
To secure a higher rank, students should use these Class 12 Chemistry Unit 2 Electrochemistry notes for quick learning of important concepts. These exam-oriented summaries focus on difficult topics and high-weightage sections helpful in school tests and final examinations.
Unit 2 Electrochemistry Revision Notes for Class 12 Chemistry
ELECTROCHEMISTRY
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. (EqZn2+/Zn = – 01.76V, EqCu2+/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 Eqcell 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?
(Given : (EθFe2+/Fe=– 0.44V;EθZn2+/Zn=– 0.76V)
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 electrolytic conductance.
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 current is 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 L°m value of water.
Please click the link below to download pdf file for CBSE Class 12 Chemistry notes and questions for ElectroChemistry Part C.
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CBSE Class 12 Chemistry Unit 2 Electrochemistry Notes
Students can use these Revision Notes for Unit 2 Electrochemistry to quickly understand all the main concepts. This study material has been prepared as per the latest CBSE syllabus for Class 12. Our teachers always suggest that Class 12 students read these notes regularly as they are focused on the most important topics that usually appear in school tests and final exams.
NCERT Based Unit 2 Electrochemistry Summary
Our expert team has used the official NCERT book for Class 12 Chemistry to design these notes. These are the notes that definitely you for your current academic year. After reading the chapter summary, you should also refer to our NCERT solutions for Class 12. Always compare your understanding with our teacher prepared answers as they will help you build a very strong base in Chemistry.
Unit 2 Electrochemistry Complete Revision and Practice
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