Match List I with List II.
List I
(Conversion)
List II
(Number of Faraday required)
A. 1 mol of H2O to O2 I. 3F
B. 1 mol of \(MnO^-_4\) to \(Mn^{2+}\) II. 2F
C. 1.5 mol of \(Ca\) from molten \(CaCl_2\) III. 1F
D. 1 mol of FeO to Fe2O3 IV. 5F
Choose the correct answer from the options given below:
1. A - III, B - IV, C - I, D - II
2. A - II, B - III, C - I, D - IV
3. A - III, B - IV, C - II, D - I
4. A - II, B - IV, C - I, D - III
Subtopic:  Faraday’s Law of Electrolysis |
 64%
From NCERT
NEET - 2024
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Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate for 100 seconds is(Given : Molar mass of Cu: \(63 g mol^{-1}\) F = 96487 C) 

1. 0.315 g 
2. 31.5 g 
3. 0.0315 g 
4. 3.15 g 
Subtopic:  Faraday’s Law of Electrolysis |
 67%
From NCERT
NEET - 2024
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Given below are two statements:
Statement I: \(2 \mathrm{~F}\) electricity is required for the oxidation of 1 mole \(\mathrm{H}_2 \mathrm{O}\) to \(\mathrm{O}_2\).
Statement II: To get \(40.0 \mathrm{~g}\) of Aluminium from molten \(\mathrm{Al}_2 \mathrm{O}_3\) required electricity is \(4.44 \mathrm{~F}\).

In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true
Subtopic:  Faraday’s Law of Electrolysis |
 54%
From NCERT
NEET - 2024
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The three cells with their \(E^\circ_{\text{(cell)}}\) values are given below:

Cells \(E^\circ_{\text{(cell)}}/V\)
(a) Fe|Fe2+||Fe3+|Fe 0.404
(b) Fe|Fe2+||Fe3+, Fe2+|Pt 1.211
(c) Fe|Fe3+||Fe3+, Fe2+|Pt 0.807
The standard Gibbs free energy change values for three cells are, respectively:
(F represents the charge on 1 mole of electrons.)
 
1. –1.212 F, –1.211 F, –0.807 F
2. +2.424 F, +2.422 F, +2.421 F
3. –0.808 F, –2.422 F, –2.421 F
4. –2.424 F, –2.422 F, –2.421 F
Subtopic:  Faraday’s Law of Electrolysis |
 56%
From NCERT
NEET - 2022
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The number of Faradays (F) required to produce 20 g of calcium from molten CaCl2 (Atomic mass of Ca = 40 g mol–1) is:

1. 2

2. 3

3. 4

4. 1

Subtopic:  Faraday’s Law of Electrolysis |
 67%
From NCERT
NEET - 2020
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