Skip to content

Cambridge AS & A Level Chemistry

24.1Electrolysis

Electrolysis in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic40 practice questions2 lessons

Learning objectives

What the syllabus expects you to be able to do.

  1. 24.1.1Predict electrolysis products from the state of the electrolyte, electrode potentials and concentration.
  2. 24.1.2State and apply F = Le.
  3. 24.1.3Calculate the charge passed (Q = It) and the mass or volume of substance liberated.
  4. 24.1.4Describe an electrolytic determination of the Avogadro constant.

Lessons

  • Electrolysis: predicting the products

    40 min

    Full access
  • Quantitative electrolysis and the Faraday constant

    45 min

    Full access

Join to read every lesson, or see what Full access includes.

Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Electrolysis: sample question

1 mark

Aqueous potassium sulfate is electrolysed with platinum electrodes. What forms at each electrode?

Choose one answer

Turn Electrolysis into a strength.

Practise with instant marking, see your mastery grow and get a study plan built around your exam date.