homogeneous catalysis
What homogeneous catalysis means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of homogeneous catalysis
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain homogeneous catalysis in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A catalyst is in the same physical state as the reactants, so it is usually dissolved in the same solution or present in the same gas mixture.
Catalyst and reactants are all gases in the same phase.
Topics that use homogeneous catalysis
- Ozone depletion (AQA A-Level)
- Reaction rates (OCR A-Level)
Related terms
- Activation energy
- Alternative reaction pathway
- atmospheric measurements
- Boltzmann distribution
- Catalysis and activation energy
- Catalyst examples
- Catalyst regenerated and not consumed
- Catalyst regenerated in the mechanism
Using homogeneous 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