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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
Subtopic: Faraday’s Law of Electrolysis |
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Level 1: 80%+
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Match column I with column II and mark the appropriate choice:
1. (A) →(i), (B)→(ii), (C) →(iii), (D)→ (iv)
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)
| 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)
Subtopic: Faraday’s Law of Electrolysis |
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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 |
Subtopic: Faraday’s Law of Electrolysis |
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Level 1: 80%+
AIPMT - 1998
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The number of electrons passing per second through a cross-section of Cu wire carrying 10 A of current is :
1.
2.
3.
4.
Subtopic: Faraday’s Law of Electrolysis |
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How many moles of electrons are required to reduce 1 mole of permanganate ions into manganese dioxide?
1. 3
2. 6
3. 4
4. 7
1. 3
2. 6
3. 4
4. 7
Subtopic: Faraday’s Law of Electrolysis |
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Level 1: 80%+
JEE
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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
Subtopic: Faraday’s Law of Electrolysis |
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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
Subtopic: Faraday’s Law of Electrolysis |
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What is the time required for a current of 4.00 A to deposit 2.0 g of copper from a Cu²⁺(aq) solution?
1. 2.4 × 104 s
2. 1.5 × 103 s
3. 7.6 × 102 s
4. 3.8 × 102 s
1. 2.4 × 104 s
2. 1.5 × 103 s
3. 7.6 × 102 s
4. 3.8 × 102 s
Subtopic: Faraday’s Law of Electrolysis |
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If one coulomb of electric charge is passed through a solution of silver nitrate (\(\mathrm{AgNO}_3\)) during electrolysis, what is the mass of silver (in milligrams) deposited at the electrode?
(Given: Molar mass of Ag = 108 g/mol)
(Given: Molar mass of Ag = 108 g/mol)
| 1. | 1.12 mg | 2. | 3.26 mg |
| 3. | 2.54 mg | 4. | 4.02 mg |
Subtopic: Faraday’s Law of Electrolysis |
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Level 1: 80%+
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