Essential Chemistry for IGCSE - Electricity And Chemistry (Section 2 - No. 13)
In the electrolysis of a copper sulfate solution, what are the products at the anode and cathode, respectively, if inert electrodes are used?
Copper and Oxygen
Oxygen and Copper
Oxygen and Hydrogen
Hydrogen and Oxygen
Explanation
With inert electrodes, at the cathode, copper ions gain electrons to form copper. At the anode, hydroxide ions are oxidized to form oxygen gas.
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