The amount of charge required for the reduction of 1 mol of MnO4- to Mn2+ is -

1. 4.8 × 105 C
2. 3.2 × 106 C
3. 1.8 × 105 C
4. 4.1 × 104 C

Subtopic:  Faraday’s Law of Electrolysis |
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The number of Faradays required to produce 20.0 g of Ca from molten CaCl2 is-

1. 2F

2. 1F

3. 4F

4. 3F

Subtopic:  Faraday’s Law of Electrolysis |
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Three electrolytic cells A, B, C containing solutions of ZnSO4, AgNO3, and CuSO4, respectively are connected in series. A steady current of 1.5 amperes was passed through them until 1.45 g of silver was deposited at the cathode of cell B. The current flow time is-

1. 14 minutes

2. 25 minutes

3. 20 minutes

4. 11 minutes

Subtopic:  Faraday’s Law of Electrolysis |
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The electricity required in coulombs for the oxidation of 1 mole of FeO to Fe2Ois-

1. 964.87 C

2. 96487 C

3. 96.487 C

4. 9.6487 C

Subtopic:  Faraday’s Law of Electrolysis |
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The mass of nickel deposited by electrolysis of a solution of Ni(NO3)2 using a current of 5 amperes for 20 min is (atomic mass of Nickle is 58.7) -

1. 2.42 g

2. 1.82 g

3. 3.93 g

4. 6.42 g

Subtopic:  Faraday’s Law of Electrolysis |
To view explanation, please take trial in the course below.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology