Chemistry 9701 · 16 Hydroxy compounds
16.1 Alcohols
Describe alcohol preparation, classification, reactions (combustion, substitution, oxidation, dehydration, esterification), acidity, and the tri-iodomethane test.
- Questions
- 328
- Years
- 2015–2026
- Multiple choice
- 289
- Written answer
- 39
- Average marks
- 2.4
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Where this subtopic appears
- Paper 1variants 11, 12, 13, 14289
- Paper 2variants 21, 22, 23, 2431
- Paper 3variants 31, 33, 343
- Paper 4variants 42, 433
- Paper 5variants 51, 532
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 21 | – | 21 |
| 2023 | 4 | 19 | 14 | 37 |
| 2022 | 4 | 15 | 15 | 34 |
| 2021 | 4 | 18 | 13 | 35 |
| 2020 | 5 | 11 | 10 | 26 |
| 2019 | 6 | 18 | 19 | 43 |
| 2018 | 7 | 14 | 15 | 36 |
| 2017 | 8 | 19 | 17 | 44 |
| 2016 | 7 | 12 | 11 | 30 |
| 2015 | – | 14 | 8 | 22 |
