How long would it take to deposit 50 g of Al from an electr…

Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 15 PCB Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 21, 2026

How long would it take to deposit 50 g of Al from an electrolytic cell containing using a current of 105 ampere?

1.54 h

1.42 h

1.32 h

2.15 h

Text Solution

Verified by Experts

The correct answer is:

Charge Current × time

Charge on 1 mol of electron

For reaction:

Number of electrons

Thus, charge on 3 mol will be .

Also, is required to deposit 1 mol or 27 g of Al

Charge required for 50 g of Al will be

t(in h

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