Question

In CuSO₄ solution when electric current equal to 2.5 Faraday is passed, the gram equivalent deposited on the cathode is

• A. 1
• B. 1.5
• C. 2
• D. 25

Hint:

The Faraday's law of electrolysis states that the mass deposited is directly proportional to the amount of charge passed.

Answer 1

The Correct Option is C

The gram equivalent is given by \( E = \frac{M}{n} \), where \( M \) is the molar mass and \( n \) is the valency. Given that 2.5 Faraday of current is passed, the equivalent deposited is 2 grams.

Step 2: Conclusion.
The gram equivalent deposited on the cathode is 2, corresponding to option (c).