1. Electrolysis of Magnesium sulphate solution using inert electrodes.
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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1. Electrolysis of Magnesium sulphate solution using inert electrodes.
(i) Name a suitable pair of electrode that can be used in the above process.
A suitable pair of inert electrodes would be Graphite (Carbon) or Platinum.
(ii) State and explain the changes on the concentration of magnesium sulphate solution as the process proceeds.
The concentration of magnesium sulphate solution will increase*.
Explanation: During the electrolysis of aqueous magnesium sulphate, water is preferentially electrolyzed over $\text{Mg}^{2+}$ and $\text{SO}_4^{2-}$ ions. At the cathode, hydrogen gas is produced ($2\text{H}_2\text{O}(l) + 2
