Question

Write the electrodes reaction for electrolysis of Molten magnesium chloride calcium chloride

Answer 1

Answer:

The Downs cell uses a carbon anode and an iron cathode. The electrolyte is magnesium chloride that has been heated to the liquid state. ... The anode reaction is: 2Cl− → Cl2 (g) + 2e.

Answer 2

Answer:

i. Electrolysis of molten magnesium chloride,

MgCI2

Cathode reaction : Mg²+ + 2e- ➝ Mg

(Reduction)

Anode reaction : 2CI- ➝ CI2 + 2e-

(Oxidation)

ii. Electrolysis of molten calcium chloride, CaCI2 :

Cathode reaction : Ca²+ + 2e- ➝ Ca

(Reduction)

Anode reaction : 2CI- ➝ CI2 + 2e- (Oxidation)

Explanation:

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