Chemistry 9701 · 29 An introduction to A Level organic chemistry
29.4 Optical isomerism
Explain properties of enantiomers, racemic mixtures, and the importance of chirality in drug synthesis and separation.
- Questions
- 13
- Years
- 2016–2026
- Multiple choice
- 5
- Written answer
- 8
- Average marks
- 6.9
Practise an introduction to a level organic chemistry questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 43, 446
- Paper 1variants 11, 12, 135
- Paper 2variants 21, 232
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 1 | – | 1 |
| 2023 | – | 2 | 1 | 3 |
| 2022 | – | 1 | – | 1 |
| 2021 | 1 | 1 | – | 2 |
| 2019 | – | 2 | – | 2 |
| 2018 | – | 1 | – | 1 |
| 2017 | – | 1 | – | 1 |
| 2016 | – | 1 | 1 | 2 |
