In the reaction MY²⁻ + Mg → MgY²⁻ + M, what type of reaction is this and how is Mg obtained?
University of Ilorin CHM107 2026 past question
- Decomposition, by the Pidgeon process
- Displacement, by treating Mg²⁺ ions with zinc
- Double decomposition, by heating metal oxides
- Displacement, by electrolysis of molten magnesium chloride
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