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

1 mole of electrons= 1 Faraday
`Mg^(++) (aq.)+2e^(-) toMg(s) , `
2 moles of electrons = 2 Faraday .