CAIE A-Level Chemistry 26.2.1 Homogeneous and Heterogeneous Catalysts
Practise deciding whether catalysis is homogeneous or heterogeneous from the physical phases of catalyst and reactants.
- Syllabus
- 2028–2030
- Course
- Chemistry 9701
- Level
- A2
Exam points
- identify homogeneous catalysis when catalyst and reacting species occupy the same phase
- identify heterogeneous catalysis when the catalyst is in a different phase and reaction occurs at an interface
- justify the classification with actual states, such as solid MnO2 with aqueous H2O2
26.2.1—Catalysts can be homogeneous or heterogeneous question 1
[Maximum number: 1]
Catalysts may be homogeneous or heterogeneous.
Explain the difference between a homogeneous catalyst and a heterogeneous catalyst.
(heterogeneous) catalyst and reactants in different states / phases
AND
(homogeneous) catalyst and reactants in same states / phases
[1] BOTH
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