Which of the following processes is used in extractive metallurgy of magnesium ?

Options

A. Fused salt electrolysis
B. Self-reduction
C. Aqueous solution electrolysis
D. Thermite reduction

Answer

A

Explanation

`underset("fused anhydrouos")(MgCl_(2))toMg^(2+)+2e^(-)`
At cathode `Mg^(2+)+2e^(-)toMg`
At anode: `2Cl^(-)-2e^(-)toCl_(2)uarr`