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Homogeneous and heterogeneous catalysts past paper questions

Chemistry 9701 · Reaction kinetics. 1 explain and use the terms catalyst and catalysis: (a) explain that, in the presence of a catalyst, a reaction has a different mechanism, i.e. one of lower activation energy (b) explain this catalytic effect in terms of the Boltzmann distribution (c) construct and interpret a reaction pathway diagram, for a reaction in the presence and absence of an effective catalyst Inorganic chemistry

In Cambridge A Level Chemistry 9701, Homogeneous and heterogeneous catalysts came up in 47 of the 139 papers on Paperstreak, for about 1 marks a paper when it does. It last came up in October/November 2025.

Often set with Le Chatelier's principle, Characteristic organic reactions, Enthalpy change definitions, Temperature and activation energy.

48 questions, newest first

  1. 9701/11/O/N/25 Question 15 · 1 mark
  2. 9701/13/O/N/25 Question 15 · 1 mark
  3. 9701/21/M/J/25 Question 3 parts (a(iii)) (a(iv)) · 2 marks
  4. 9701/22/M/J/25 Question 3 parts (d(i)) (d(ii)) · 3 marks
  5. 9701/23/M/J/25 Question 3 part (b(iii)) · 2 marks
  6. 9701/11/M/J/24 Question 15 · 1 mark
  7. 9701/12/M/J/24 Question 15 · 1 mark
  8. 9701/12/F/M/24 Question 15 · 1 mark
  9. 9701/22/F/M/24 Question 3 part (c(ii)) · 1 mark
  10. 9701/21/O/N/23 Question 3 part (b) · 2 marks
  11. 9701/23/O/N/23 Question 3 part (b) · 2 marks
  12. 9701/12/M/J/23 Question 16 · 1 mark
  13. 9701/22/M/J/23 Question 4 parts (c(iv)) (c(v)) · 3 marks
  14. 9701/22/F/M/23 Question 3 part (d(i)) · 2 marks
  15. 9701/12/O/N/22 Question 11 · 1 mark
  16. 9701/12/M/J/22 Question 15 · 1 mark
  17. 9701/22/F/M/22 Question 2 part (b(iii)) · 3 marks
  18. 9701/11/O/N/21 Question 11 · 1 mark
  19. 9701/13/O/N/21 Question 11 · 1 mark
  20. 9701/23/O/N/21 Question 4 part (a(iv)) · 1 mark
  21. 9701/11/M/J/21 Question 11 · 1 mark
  22. 9701/12/M/J/21 Question 7 · 1 mark
  23. 9701/13/M/J/21 Question 33 · 1 mark
  24. 9701/13/O/N/20 Question 11 · 1 mark
  25. 9701/22/M/J/20 Question 3 parts (c(i)) (c(ii)) · 2 marks
  26. 9701/23/M/J/20 Question 3 part (a(ii)) · 3 marks
  27. 9701/22/F/M/20 Question 2 part (e(i)) · 1 mark
  28. 9701/11/O/N/19 Question 1 · 1 mark
  29. 9701/12/O/N/19 Question 1 · 1 mark
  30. 9701/13/O/N/19 Question 1 · 1 mark
  31. 9701/11/M/J/19 Question 34 · 1 mark
  32. 9701/12/M/J/19 Question 1 · 1 mark
  33. 9701/12/F/M/19 Question 34 · 1 mark
  34. 9701/12/O/N/18 Question 10 · 1 mark
  35. 9701/11/M/J/18 Question 4 · 1 mark
  36. 9701/12/M/J/18 Question 11 · 1 mark
  37. 9701/13/M/J/18 Question 11 · 1 mark
  38. 9701/13/M/J/18 Question 18 · 1 mark
  39. 9701/21/M/J/18 Question 1 parts (a(i)) (a(ii)) · 3 marks
  40. 9701/11/O/N/17 Question 10 · 1 mark
  41. 9701/12/O/N/17 Question 11 · 1 mark
  42. 9701/13/O/N/17 Question 10 · 1 mark
  43. 9701/12/M/J/17 Question 11 · 1 mark
  44. 9701/23/M/J/17 Question 3 part (b(ii)) · 2 marks
  45. 9701/12/F/M/17 Question 10 · 1 mark
  46. 9701/22/F/M/17 Question 2 part (c(ii)) · 2 marks
  47. 9701/23/M/J/16 Question 2 part (b(iii)) · 2 marks
  48. 9701/22/F/M/16 Question 3 part (c) · 3 marks

More in Reaction kinetics: Rate of reaction, Temperature and activation energy.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.