Question

When electricity is passed through a solution of `AlCl_(3)` and `13.5g` of `Al` is deposited, the number of `Faraday of electricity passed must be `………………….F`.
A. ` 1.5 F`
B. ` 0.5 F`
C. ` 1.0 F`
D. ` 2.0 F`

Answer 1

Correct Answer - A
`Al^(+3) + 2e^- rarr Al`
`27g`
1 mole 3 moles
`1//2 3//2 = 1.5 F`.