(a)[1]
What substance is the anode made from?
(b)[1]
What does the solid formed at the cathode look like?
(c)[2]
Identify the gas released at the anode, and state a test plus observation that confirm its identity.
Chemistry 5070 · O Level · Electrolysis
Electrolysis — practice question
A student carries out electrolysis on aqueous copper(II) sulfate with the apparatus shown. A solid forms at the cathode, and a gas forms at the anode.