Question

When one Faraday of electric current is passed, the mass deposited is equal to ______.

Options

• one gram equivalent

• one gram mole

• half of electrochemical equivalent

• half gram equivalent

Answer 1

When one Faraday of electric current is passed, the mass deposited is equal to one gram equivalent.

Explanation:

According to Faraday’s first law of electrolysis, when one Faraday (96,500 C) of electric charge is passed, it deposits one gram equivalent of a substance. This is because one Faraday corresponds to the charge required to deposit or liberate one equivalent of a substance during electrolysis.