Cambridge AS & A Level Chemistry
26.2Homogeneous and heterogeneous catalysts
Homogeneous and heterogeneous catalysts in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 26.2.1Explain that catalysts can be homogeneous or heterogeneous.
- 26.2.2Describe heterogeneous catalysis (adsorption, bond weakening, desorption): iron in the Haber process; Pd, Pt and Rh in catalytic converters.
- 26.2.3Describe homogeneous catalysis (used in one step, reformed later): oxides of nitrogen with sulfur dioxide; Fe²⁺/Fe³⁺ in the I⁻/S₂O₈²⁻ reaction.
Lessons
- Full access
Homogeneous and heterogeneous catalysis
45 min
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.
Turn Homogeneous and heterogeneous catalysts into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.