O-LevelChemistryElectrolysis5070/12 · Oct/Nov 2020 · Q191 Mark

The diagram shows the electrolysis of a mixture of aqueous copper(II) nitrate, Cu(NO3)2(aq), and aqueous silver nitrate, AgNO3(aq). Electrodes X and Y are inert. Copper is above silver in the reactivity series. It can be deduced that ......1...... is initially deposited at electrode ......2....... Which words correctly complete gaps 1 and 2?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Acopper, X

Bcopper, Y

Csilver, X

Dsilver, Y

✓ Correct answer

D: silver, Y

Oracle Prep sorts past-paper questions by topic, so you can drill Electrolysis and see which topics are most likely to come up next.

Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 19.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content