The diagram illustrates an experiment used to electroplate a nickel spoon with silver. Which row correctly states the positive electrode, the negative electrode and the electrolyte?
- Apositive electrode: nickel spoon; negative electrode: pure nickel; electrolyte: silver nitrate solution
- Bpositive electrode: nickel spoon; negative electrode: pure silver; electrolyte: nickel nitrate solution
- Cpositive electrode: pure nickel; negative electrode: nickel spoon; electrolyte: silver nitrate solution
- Dpositive electrode: pure silver; negative electrode: nickel spoon; electrolyte: silver nitrate solution