Chemistry 9701 · 11 Group 17
11.2 The chemical properties of the halogen elements and the hydrogen halides
Describe halogen reactivity as oxidising agents, reactions with hydrogen, and thermal stabilities of hydrogen halides.
- Questions
- 50
- Years
- 2015–2026
- Multiple choice
- 35
- Written answer
- 15
- Average marks
- 5.1
Where this subtopic appears
- Paper 1variants 11, 12, 13, 1435
- Paper 2variants 22, 2311
- Paper 4variants 42, 444
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 4 | – | 4 |
| 2023 | – | – | 3 | 3 |
| 2022 | 3 | 4 | 2 | 9 |
| 2021 | – | 2 | 2 | 4 |
| 2020 | 2 | 2 | 4 | 8 |
| 2019 | – | 1 | – | 1 |
| 2018 | 2 | 2 | 2 | 6 |
| 2017 | 1 | 3 | 2 | 6 |
| 2016 | 1 | 6 | – | 7 |
| 2015 | – | 2 | – | 2 |
