Essential Chemistry for IGCSE - Electricity And Chemistry (Section 4 - No. 19)
What happens to copper during the electrolysis of copper sulfate solution with copper electrodes?
Copper atoms from the anode dissolve into the solution.
Copper ions in the solution are deposited at the anode.
Copper atoms from the cathode dissolve into the solution.
Copper ions in the solution are deposited at the cathode.
Explanation
Copper ions gain electrons (reduction) at the cathode and are deposited there.
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