Number of faraday's required to generate one gram atom of magnesiu from molten `MgCl_(2)` is :

Options

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

Answer

B

Explanation

`Mg^(2+)+2e^(-) rarr Mg`
1 mole of Mg atom requires 2 mole of electrons, I.e., 2 faraday of charge.