Molten lead(II) bromide is an electrolyte.
Which row in the table shows the products formed at the anode and at the cathode when molten lead(II) bromide is electrolysed?
| Product at anode | Product at cathode | |
|---|---|---|
| A | bromine | hydrogen |
| B | oxygen | lead |
| C | bromine | lead |
| D | oxygen | hydrogen |
Row A
Row B
Row C
Row D
83 exam-style questions on Edexcel GCSE Chemistry 4.2 Electrolytic processes, covering 4.2.1 Electrolytes and the process of electrolysis, 4.2.2 Products of electrolysis using inert electrodes, 4.2.3 Half equations, oxidation and reduction in electrolysis, and 4.2.4 Electrolysis of copper sulfate and purifying copper. Each one has a worked solution and a mark scheme showing where the marks go.