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Optical isomerism past paper questions

Chemistry 9701 · An introduction to AS Level organic chemistry. Chiral centres and enantiomers

In Cambridge A Level Chemistry 9701, Optical isomerism came up in 29 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 Organic formulas and naming, Cis/trans isomerism, Reduction and nucleophilic addition, Infrared spectroscopy.

29 questions, newest first

1. 9701/21/O/N/25 Question 4 part (b(iii)) · 3 marks
2. 9701/23/O/N/25 Question 4 part (b(iii)) · 3 marks
3. 9701/22/F/M/25 Question 4 part (b(iii)) · 1 mark
4. 9701/21/O/N/24 Question 4 part (a(ii)) · 1 mark
5. 9701/23/O/N/24 Question 4 part (a(ii)) · 1 mark
6. 9701/22/M/J/24 Question 4 part (a) · 2 marks
7. 9701/22/O/N/23 Question 4 part (a(i)) · 1 mark
8. 9701/23/M/J/23 Question 6 part (d) · 1 mark
9. 9701/12/F/M/22 Question 36 · 1 mark
10. 9701/22/F/M/22 Question 4 part (a(ii)) · 2 marks
11. 9701/12/O/N/21 Question 37 · 1 mark
12. 9701/22/O/N/21 Question 3 part (e(iv)) · 2 marks
13. 9701/22/O/N/20 Question 3 part (c(ii)) · 2 marks
14. 9701/23/M/J/20 Question 3 part (b(i)) · 1 mark
15. 9701/22/F/M/20 Question 3 part (a(iv)) · 1 mark
16. 9701/21/O/N/19 Question 4 parts (c(iii)) (c(iv)) · 3 marks
17. 9701/22/O/N/19 Question 4 parts (b(ii)) (b(iii)) · 2 marks
18. 9701/23/O/N/19 Question 4 parts (c(iii)) (c(iv)) · 3 marks
19. 9701/21/M/J/19 Question 5 parts (b(i)) (b(ii)) · 4 marks
20. 9701/22/O/N/18 Question 4 parts (b(i)) (b(ii)) · 3 marks
21. 9701/22/M/J/18 Question 4 parts (d(ii)) (d(iii)) · 3 marks
22. 9701/21/O/N/17 Question 3 parts (d(iv)) (d(v)) · 3 marks
23. 9701/23/O/N/17 Question 3 parts (d(iv)) (d(v)) · 3 marks
24. 9701/21/M/J/17 Question 4 part (d(i)) · 2 marks
25. 9701/22/M/J/17 Question 4 part (c(iii)) · 1 mark
26. 9701/23/M/J/17 Question 4 parts (d(i)) (d(iii)) · 3 marks
27. 9701/22/O/N/16 Question 4 part (a(ii)) · 2 marks
28. 9701/22/M/J/16 Question 5 part (c(ii)) · 2 marks
29. 9701/23/M/J/16 Question 4 parts (d(iii)) (d(iv)) · 3 marks

More in An introduction to AS Level organic chemistry: Organic formulas and naming, Characteristic organic reactions, Shapes of organic molecules; σ and π bonds, Structural isomerism, Cis/trans isomerism, Finding isomerism in a structure.

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