Homogeneous and heterogeneous catalysis
What Homogeneous and heterogeneous catalysis means in Chemistry A-Level, as defined for OCR.
Definition of Homogeneous and heterogeneous catalysis
Check what you remember
Read the wording for your board, then hide it and explain Homogeneous and heterogeneous catalysis in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
In homogeneous catalysis the catalyst is in the same phase as the reactants; in heterogeneous catalysis the catalyst is in a different phase, typically a solid surface.
Topics that use Homogeneous and heterogeneous catalysis
- Reaction rates (OCR A-Level)
Related terms
- Activation energy
- Alternative reaction pathway
- Boltzmann distribution
- Catalysis and activation energy
- Catalyst examples
- Catalyst regenerated and not consumed
- Catalyst regenerated in the mechanism
- collision frequency
Using Homogeneous and heterogeneous catalysis in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge