Chemistry 9701 · 21 Organic synthesis
21.1 Organic synthesis
Identify functional groups, predict reactions, and devise multi-step synthetic routes for organic molecules.
- Questions
- 205
- Years
- 2015–2026
- Multiple choice
- 110
- Written answer
- 95
- Average marks
- 6.8
Practise organic synthesis questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13110
- Paper 4variants 41, 42, 4367
- Paper 2variants 21, 22, 23, 2425
- Paper 5variants 522
- Paper 3variants 341
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 7 | – | 7 |
| 2024 | – | – | 1 | 1 |
| 2023 | 3 | 11 | 12 | 26 |
| 2022 | 4 | 6 | 13 | 23 |
| 2021 | 4 | 13 | 11 | 28 |
| 2020 | 4 | 3 | 6 | 13 |
| 2019 | 3 | 6 | 10 | 19 |
| 2018 | 6 | 7 | 11 | 24 |
| 2017 | 4 | 11 | 7 | 22 |
| 2016 | 3 | 12 | 10 | 25 |
| 2015 | – | 10 | 7 | 17 |
