Copper sulfate solution and copper chloride solution are electrolysed using inert electrodes. Which statement is correct?
Copper forms at the cathode in both, and oxygen at the anode in both
Copper forms at the cathode in both, but the anode products differ
Hydrogen forms at the cathode in both, and oxygen at the anode in both
Hydrogen forms at the cathode in both, but the anode products differ
40 exam-style questions on AQA GCSE Chemistry 4.3 Electrolysis, covering 4.3.1a The process of electrolysis, 4.3.1b Half equations in electrolysis, 4.3.2 Electrolysis of molten ionic compounds, 4.3.3 Using electrolysis to extract metals, 4.3.4 Electrolysis of aqueous solutions, and 4.3.5 Representation of reactions at electrodes as half equations. Each one has a worked solution and a mark scheme showing where the marks go.