Chemistry 0620 · 11 Organic chemistry
11.7 Carboxylic acids
Describe the reactions of ethanoic acid, its formation by oxidation of ethanol, and its reaction with alcohols to form esters.
- Questions
- 172
- Years
- 2010–2026
- Multiple choice
- 114
- Written answer
- 58
- Average marks
- 5
Practise organic chemistry questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 2variants 21, 22, 2370
- Paper 1variants 11, 12, 1351
- Paper 4variants 41, 42, 4324
- Paper 3variants 31, 32, 3323
- Paper 6variants 61, 624
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 4 | 7 | – | 11 |
| 2023 | 3 | 6 | 8 | 17 |
| 2022 | 3 | 11 | 10 | 24 |
| 2021 | 2 | 6 | 9 | 17 |
| 2020 | – | 6 | 6 | 12 |
| 2019 | 3 | 11 | 6 | 20 |
| 2018 | 4 | 5 | 7 | 16 |
| 2017 | 1 | 7 | 5 | 13 |
| 2016 | 2 | 4 | 5 | 11 |
| 2015 | 1 | 6 | 4 | 11 |
| 2014 | – | 3 | 2 | 5 |
| 2013 | – | 1 | 4 | 5 |
| 2012 | – | 1 | 4 | 5 |
| 2011 | – | – | 2 | 2 |
| 2010 | – | 2 | 1 | 3 |
