I had a solution of salt water. Cathode was aluminum and the anode was a nickel plated coin. The aluminum was plated in a dark metal which might be nickel. There was also an insoluable orange substance produced at the anode. Was that copper from the nickel plated copper coin? What were the reactions going on here?
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Copper atoms go into solution at the anode: Cu ---> Cu2+ + 2e- Copper ions from the solution deposit on the cathode as copper atoms i.e. copper metal: Cu2+ + 2e- ---> Cu So no, you didn't create elemental copper, you just transferred it from the anode to the cathode.
