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Q. No.Which of the following quantities is associated with Faraday’s laws of electrolysis?
1. The atomic number of the reactants2. The atomic number of the anion
3. The equivalent weight of the electrolyte
4. The speed of the cation
| Column I | Column II | ||
| (A) | Electrochemical equivalent | (i) | Potential difference \(\times\) Quantity of charge |
| (B) | Faraday | (ii) | Mass of substance deposited by one coulomb of charge |
| (C) | Ampere | (iii) | Charge carried by one mole of electrons |
| (D) | Electrical energy | (iv) | One coulomb of electric charge passed through one second |
2. (A) →(ii), (B)→(iii), (C) →(iv), (D)→ (i)
3. (A) →(iii), (B)→(iv), (C) →(i), (D)→ (ii)
4. (A) →(iv), (B)→(i), (C) →(ii), (D)→ (iii)
What is the mass of silver deposited when the charge passed is doubled, if a charge of \(10^5\) coulomb deposits 1 g of Ag?
| 1. | 1 gm | 2. | 2 gm |
| 3. | 3 gm | 4. | 4 gm |
The number of electrons passing per second through a cross-section of Cu wire carrying 10 A of current is :
1.
2.
3.
4.
1. 3
2. 6
3. 4
4. 7
During an electrolysis experiment, if a 100 mA current is passed through a solution of AgNO3 for 30 minutes, how many coulombs of electricity will be consumed?
1. 108 C
2. 18000 C
3. 180 C
4. 3000 C
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What is the atomic mass of a trivalent metal if a current of 9.65 A is passed for 10 minutes and 3.0 g of the metal is deposited?
1. 30
2. 150
3. 90
4. 289.5
1. 2.4 × 104 s
2. 1.5 × 103 s
3. 7.6 × 102 s
4. 3.8 × 102 s
(Given: Molar mass of Ag = 108 g/mol)
| 1. | 1.12 mg | 2. | 3.26 mg |
| 3. | 2.54 mg | 4. | 4.02 mg |
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