NCERTCOURSE.COM- Find here the NCERT chapter-wise Multiple Choice Questions from Class 12 Chemistry book Chapter 3 Electrochemistry with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Electrochemistry. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.
MCQ Questions for Class 12 Chemistry With Answers
Q1. Galvanised iron sheets are coated with
(i) Carbon
(ii) Copper
(iii) Zinc
(iv) Nickel
(iii)
Q2. Faraday’s law of electrolysis is related to
(i) Atomic number of cation
(ii) Speed of cation
(iii) Speed of anion
(iv) Equivalent weight of electrolyte
(iv)
Q3. A solution of potassium bromide is treated with each of the following. Which one would liberate bromine?
(i) Hydrogen iodide
(ii) Sulphur dioxide
(iii) Chlorine
(iv) Iodine
(iii)
Q4. E°cell apd ΔG° are related as:
(i) ΔG° = nF E°cell
(ii) ΔG = -nF E°cell
(iii) ΔG° = -nF E°cell
(iv) ΔG° = nF E°cell = 0.
(iii)
Q5. Rust is a mixture of
(i) FeO and Fe (OH)3
(ii) FeO and Fe (OH)2
(iii) Fe2O3 and Fe (OH)3
(iv) Fe3O4 and Fe (OH)3
(iii)
Q6. The charge required for reducing 1 mole of MnO−4 to Mn2- is
(i) 1.93 × 105 C
(ii) 2.895 × 105 C
(iii) 4.28 × 105 C
(iv) 4.825 × 105 C
(iv)
Q7. For a certain redox reaction, E° is positive. This means that
(i) ΔG° is positive, K is greater than 1
(ii) ΔG° is positive, K is less than 1
(iii) ΔG° is negative, K is greater than 1
(iv) ΔG° is negative, K is less than 1
(iii)
Q8. The units of conductivity are:
(i) ohm-1
(ii) ohm-1 cm-1
(iii) ohm-2 cm² equiv-1
(iv) ohm-1 cm²
(ii)
Q9. The standard reduction potentials of X, Y, Z metals are 0.52, -3.03, -1.18 respectively. The order of reducing power of the corresponding metals is:
(i) Y > Z > X
(ii) X > Y > Z
(iii) Z > Y > X
(iv) Z > X > Y
(i)
Q10. Molar conductivity of 0.15 M solution of KCl at 298 K, if its conductivity of 0.0152 S cm-1 w ill be
(i) 124 Ω-1 cm² mol-1
(ii) 204 Ω-1 cm² mol-1
(iii) 101 Ω-1 cm² mol-1
(iv) 300 Ω-1 cm² mol-1
(iii)
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MCQ Questions for Class 12 Chemistry with Answers
- Lesson 1. The Solid State Class 12 MCQ Questions
- Lesson 2. Solutions Class 12 MCQs
- Lesson 3. Electrochemistry Class 12 MCQs
- Lesson 4. Chemical Kinetics Class 12 MCQs
- Lesson 5. Surface Chemistry Class 12 MCQs
- Lesson 6. General Principles and Processes of Isolation of Elements Class 12 MCQ Questions
- Lesson 7. The p-Block Elements Class 12 MCQ Questions
- Lesson 8. The d-and f-Block Elements Class 12 MCQ Questions
- Lesson 9. Coordination Compounds Class 12 MCQ Questions
- Lesson 10. Haloalkanes and Haloarenes Class 12 MCQ Questions
- Lesson 11. Alcohols, Phenols and Ethers Class 12 MCQ
- Lesson 12. Aldehydes, Ketones and Carboxylic Acids Class 12 MCQ
- Lesson 13. Amines Class 12 MCQ
- Lesson 14. Biomolecules Class 12 MCQ
- Lesson 15. Polymers Class 12 MCQ
- Lesson 16. Chemistry in Everyday Life Class 12 MCQ