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Le Chatelier's principle past paper questions

Chemistry 9701 · Equilibria. How temperature, pressure, concentration and catalysts shift equilibrium

In Cambridge A Level Chemistry 9701, Le Chatelier's principle came up in 77 of the 139 papers on Paperstreak, for about 2 marks a paper when it does. It last came up in October/November 2025.

Often set with Kc and Kp, Dot-and-cross diagrams, Dynamic equilibrium, Temperature and activation energy.

85 questions, newest first

  1. 9701/12/O/N/25 Question 12 · 1 mark
  2. 9701/21/O/N/25 Question 1 part (d(iii)) · 4 marks
  3. 9701/22/O/N/25 Question 2 part (e(iii)) · 4 marks
  4. 9701/23/O/N/25 Question 1 part (d(iii)) · 4 marks
  5. 9701/11/M/J/25 Question 9 · 1 mark
  6. 9701/11/M/J/25 Question 10 · 1 mark
  7. 9701/21/M/J/25 Question 3 parts (b) (c) · 4 marks
  8. 9701/12/F/M/25 Question 10 · 1 mark
  9. 9701/22/F/M/25 Question 1 part (a(ii)) · 2 marks
  10. 9701/11/O/N/24 Question 12 · 1 mark
  11. 9701/12/O/N/24 Question 13 · 1 mark
  12. 9701/13/M/J/24 Question 12 · 1 mark
  13. 9701/21/M/J/24 Question 3 parts (a) (b) · 5 marks
  14. 9701/22/M/J/24 Question 3 part (b(i)) · 3 marks
  15. 9701/12/F/M/24 Question 14 · 1 mark
  16. 9701/11/O/N/23 Question 12 · 1 mark
  17. 9701/12/O/N/23 Question 17 · 1 mark
  18. 9701/13/O/N/23 Question 12 · 1 mark
  19. 9701/22/O/N/23 Question 2 part (b) · 2 marks
  20. 9701/12/M/J/23 Question 13 · 1 mark
  21. 9701/13/M/J/23 Question 15 · 1 mark
  22. 9701/22/M/J/23 Question 4 part (b) · 2 marks
  23. 9701/23/M/J/23 Question 4 parts (c(i)) (c(ii)) · 2 marks
  24. 9701/12/F/M/23 Question 5 · 1 mark
  25. 9701/22/F/M/23 Question 3 part (d(ii)) · 1 mark
  26. 9701/11/O/N/22 Question 13 · 1 mark
  27. 9701/12/O/N/22 Question 7 · 1 mark
  28. 9701/13/O/N/22 Question 13 · 1 mark
  29. 9701/21/O/N/22 Question 3 part (d(iii)) · 1 mark
  30. 9701/22/O/N/22 Question 2 part (c(ii)) · 1 mark
  31. 9701/23/O/N/22 Question 3 part (d(iii)) · 1 mark
  32. 9701/12/M/J/22 Question 13 · 1 mark
  33. 9701/22/M/J/22 Question 3 part (c) · 1 mark
  34. 9701/23/M/J/22 Question 3 part (a(iv)) · 2 marks
  35. 9701/12/F/M/22 Question 12 · 1 mark
  36. 9701/22/F/M/22 Question 2 part (d(iii)) · 2 marks
  37. 9701/11/O/N/21 Question 10 · 1 mark
  38. 9701/11/O/N/21 Question 32 · 1 mark
  39. 9701/13/O/N/21 Question 10 · 1 mark
  40. 9701/13/O/N/21 Question 32 · 1 mark
  41. 9701/22/O/N/21 Question 1 part (c(iii)) · 2 marks
  42. 9701/11/M/J/21 Question 31 · 1 mark
  43. 9701/13/M/J/21 Question 11 · 1 mark
  44. 9701/12/O/N/20 Question 14 · 1 mark
  45. 9701/21/O/N/20 Question 2 part (d(iii)) · 4 marks
  46. 9701/23/O/N/20 Question 2 part (d(iii)) · 4 marks
  47. 9701/11/M/J/20 Question 1 · 1 mark
  48. 9701/11/O/N/19 Question 34 · 1 mark
  49. 9701/12/O/N/19 Question 10 · 1 mark
  50. 9701/12/O/N/19 Question 11 · 1 mark
  51. 9701/13/O/N/19 Question 34 · 1 mark
  52. 9701/22/O/N/19 Question 1 parts (d(i)) (d(ii)) · 4 marks
  53. 9701/11/M/J/19 Question 10 · 1 mark
  54. 9701/12/M/J/19 Question 34 · 1 mark
  55. 9701/13/M/J/19 Question 10 · 1 mark
  56. 9701/22/M/J/19 Question 1 part (b) · 2 marks
  57. 9701/11/O/N/18 Question 9 · 1 mark
  58. 9701/12/O/N/18 Question 11 · 1 mark
  59. 9701/12/O/N/18 Question 34 · 1 mark
  60. 9701/13/O/N/18 Question 9 · 1 mark
  61. 9701/12/M/J/18 Question 5 · 1 mark
  62. 9701/12/M/J/18 Question 10 · 1 mark
  63. 9701/12/M/J/18 Question 34 · 1 mark
  64. 9701/13/M/J/18 Question 9 · 1 mark
  65. 9701/21/M/J/18 Question 1 part (d(ii)) · 3 marks
  66. 9701/12/F/M/18 Question 11 · 1 mark
  67. 9701/12/F/M/18 Question 12 · 1 mark
  68. 9701/12/O/N/17 Question 9 · 1 mark
  69. 9701/21/O/N/17 Question 1 parts (b(iii)) (d(iii)) · 5 marks
  70. 9701/22/O/N/17 Question 2 part (b(ii)) · 2 marks
  71. 9701/23/O/N/17 Question 1 parts (b(iii)) (d(iii)) · 5 marks
  72. 9701/12/M/J/17 Question 10 · 1 mark
  73. 9701/13/M/J/17 Question 9 · 1 mark
  74. 9701/22/M/J/17 Question 3 part (b(iii)) · 3 marks
  75. 9701/23/M/J/17 Question 3 part (b(iii)) · 4 marks
  76. 9701/12/F/M/17 Question 34 · 1 mark
  77. 9701/22/F/M/17 Question 2 parts (c(iii)) (c(vi)) · 3 marks
  78. 9701/11/O/N/16 Question 34 · 1 mark
  79. 9701/12/O/N/16 Question 11 · 1 mark
  80. 9701/13/O/N/16 Question 34 · 1 mark
  81. 9701/12/M/J/16 Question 33 · 1 mark
  82. 9701/13/M/J/16 Question 11 · 1 mark
  83. 9701/23/M/J/16 Question 2 part (b(iv)) · 2 marks
  84. 9701/12/F/M/16 Question 33 · 1 mark
  85. 9701/22/F/M/16 Question 3 part (b(ii)) · 2 marks

More in Equilibria: Dynamic equilibrium, Kc and Kp, Haber and Contact processes, Brønsted–Lowry theory of acids and bases.

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