NEET2024Chemistry-Electrochemistry
NEET 2024 Chemistry Faraday's Laws of Electrolysis MCQ Question
Type: MCQ-numerical-Medium-Class 12
Mass in grams of copper deposited by passing 9.6487 Å current through a voltmeter containing copper sulphate solution for 100 seconds is: (Given : Molar mass of Cu : 63 g mol⁻¹, 1F = 96487 C)
A
31.5 g
B
0.0315 g
C
3.15 g
D
0.315 g
Correct Answer
Option D
Detailed Explanation
Using the formula m = (ItM)/(nF), where I = 9.6487 Å, t = 100 s, M = 63 g/mol, n = 2, and F = 96487 C/mol, the mass m = 0.0315 g.
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