A. One Faraday
B. One ampere
C. Three Faradays
D. Three amperes
Correct Answer:
Option C – Three Faradays
Explanation
AlCl3 → Al3+ + 3Cl-
At cathode:
Al3+ + 3e- → Al
3 mole of electrons corresponds 3 F charge
So, required charge =3 F
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