Chemistry · May / June 2018 · Paper 12 · Question 14
5070Electrolysis
Magnesium can be produced by the electrolysis of molten magnesium chloride, MgCl$_2$. What are the products formed at the anode and at the cathode during the electrolysis of molten magnesium chloride?
- Aanode: chlorine, cathode: hydrogen
- Banode: chlorine, cathode: magnesium
- Canode: magnesium, cathode: chlorine
- Danode: oxygen, cathode: hydrogen
As printed in the paper
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Correct answer: B. anode: chlorine, cathode: magnesium
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