Chemistry 9701 · 28 Chemistry of transition elements
28.5 Stability constants, Kstab
Define, write expressions for, and perform calculations using stability constants (Kstab) to explain ligand exchange.
- Questions
- 38
- Years
- 2016–2026
- Multiple choice
- 1
- Written answer
- 37
- Average marks
- 13.6
Practise chemistry of transition elements questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 43, 4437
- Paper 1variants 131
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 3 | – | 3 |
| 2023 | 1 | 2 | 1 | 4 |
| 2022 | – | 1 | 3 | 4 |
| 2021 | 1 | 1 | 1 | 3 |
| 2020 | – | 1 | 5 | 6 |
| 2019 | 1 | 4 | 1 | 6 |
| 2018 | – | 3 | – | 3 |
| 2017 | 1 | 2 | 2 | 5 |
| 2016 | – | 2 | 2 | 4 |
