The amount of charge required for the reduction of 1 mol of to is -
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of Faradays required to produce 20.0 g of Ca from molten CaCl2 is-
1. 2F
2. 1F
3. 4F
4. 3F
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThree 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe electricity required in coulombs for the oxidation of 1 mole of FeO to is:
1. | 964.87 C | 2. | 96487 C |
3. | 96.487 C | 4. | 9.6487 C |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe mass of nickel deposited by electrolysis of a solution of 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology