The "mole"s of electrons required to deposit 1 gm equivalent aluminium (at wt. =27) from a solution of aluminium chloride will be:

Options

A. 3
B. 1
C. 4
D. 2

Answer

A

Explanation

`Al^(3+) + 3e^(-) to Al`
Therefore , number of electrons required to deposite 1 gm equivelent of aluminium is three mole.