Question

Write the electrode reaction for the electrolysis of molten magnesium chloride.

Answer 1

\[\ce{MgCl2 -> Mg^2 + 2Cl^-}\]

At the cathode: \[\ce{Mg^2+ + 2e^- -> Mg}\]

At the anode: \[\ce{2Cl^- -> Cl2 + 2e^-}\]