Question

How much electricity is required to produce 5.4 g of Al from $A{l}_2{O}_3$.

• A. 0.6 F
• B. 1.2 F
• C. 3 F
• D. 6 F

Answer 1

Answer: (A)

$A{l}^{3+}+3e^{-}\to Al$
27 g Al deposite by = 3 F
87. 5.4 g Al will deposit by = 0.6 F