Chemistry 9701 · 28 Chemistry of transition elements
28.3 Colour of complexes
Explain d-orbital splitting in octahedral/tetrahedral complexes and how ligand exchange affects the observed color.
- Questions
- 29
- Years
- 2016–2026
- Multiple choice
- 0
- Written answer
- 29
- Average marks
- 12.8
Practise chemistry of transition elements questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 4variants 41, 42, 4328
- Paper 5variants 521
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 2 | – | 2 |
| 2023 | – | – | 1 | 1 |
| 2022 | – | 2 | 2 | 4 |
| 2021 | 1 | 3 | 1 | 5 |
| 2020 | 1 | 1 | 3 | 5 |
| 2019 | – | – | 3 | 3 |
| 2018 | – | 1 | 3 | 4 |
| 2017 | 2 | – | – | 2 |
| 2016 | – | 2 | 1 | 3 |