Chemistry 9701 · 7 Equilibria
7.1 Chemical equilibria: reversible reactions, dynamic equilibrium
Explain dynamic equilibrium, apply Le Chatelier's principle, write Kc and Kp expressions, and perform equilibrium calculations.
- Questions
- 168
- Years
- 2015–2026
- Multiple choice
- 122
- Written answer
- 46
- Average marks
- 5
Where this subtopic appears
- Paper 1variants 11, 12, 13, 14122
- Paper 2variants 21, 22, 23, 2427
- Paper 4variants 41, 42, 4312
- Paper 5variants 51, 52, 537
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 12 | – | 12 |
| 2023 | 4 | 7 | 7 | 18 |
| 2022 | 2 | 9 | 7 | 18 |
| 2021 | 1 | 7 | 3 | 11 |
| 2020 | 3 | 8 | 10 | 21 |
| 2019 | 1 | 7 | 10 | 18 |
| 2018 | 1 | 9 | 8 | 18 |
| 2017 | 5 | 8 | 6 | 19 |
| 2016 | 2 | 8 | 10 | 20 |
| 2015 | – | 8 | 5 | 13 |
