Chemistry 5070 · 11 Organic chemistry
11.5 Alkenes
Describe alkenes as unsaturated hydrocarbons, explain cracking, outline the bromine test for unsaturation, and describe addition reactions with bromine, hydrogen, and steam.
- Questions
- 148
- Years
- 2004–2026
- Multiple choice
- 109
- Written answer
- 39
- Average marks
- 3
Practise organic chemistry questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 01, 11, 12103
- Paper 2variants 02, 21, 2229
- Paper 4variants 04, 41, 4216
Questions by year
| Year | May/June | Oct/Nov | Total |
|---|---|---|---|
| 2026 | 4 | – | 4 |
| 2023 | 2 | 7 | 9 |
| 2022 | 8 | 2 | 10 |
| 2021 | 6 | 6 | 12 |
| 2020 | 9 | 8 | 17 |
| 2019 | 9 | 7 | 16 |
| 2018 | 4 | 6 | 10 |
| 2017 | 5 | 6 | 11 |
| 2016 | 7 | 6 | 13 |
| 2015 | 4 | 3 | 7 |
| 2014 | – | 1 | 1 |
| 2013 | 1 | 2 | 3 |
| 2012 | 1 | 1 | 2 |
| 2011 | 1 | 1 | 2 |
| 2009 | 3 | 3 | 6 |
| 2008 | 3 | 1 | 4 |
| 2007 | 2 | 5 | 7 |
| 2006 | 3 | 3 | 6 |
| 2005 | 1 | 4 | 5 |
| 2004 | – | 3 | 3 |
