What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?

Assessment: WAEC SSCE - Chemistry - 2022 (Objective) Subject: Chemistry

Question 1 Report


What amount of electricity is required to deposit one mole of aluminium from a solution of AlCl3?
Answer Details
AlCl3 → Al3+ + 3Cl-
At cathode:
Al3+ + 3e- → Al
3 mole of electrons corresponds 3 F charge
So, required charge =3 F
Read lesson note on Electrolysis (JAMB)
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