Skip to main content
O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2021 · Q371 Mark

The structure of compound X is shown. [Structure of compound X (propene)]. Four statements are made about compound X. 1 X burns in air to form carbon dioxide and water. 2 X turns bromine water from colourless to brown. 3 X is propene. 4 The number of C–C single bonds is increased by reacting X with hydrogen. Which statements are correct?

Diagram for this question, from the exam paper

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A1 and 2
B1 and 4
C2 and 3
D3 and 4

✓ Correct answer

B: 1 and 4

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Organic Chemistry and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 1, question 37.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Chemistry questions

© 2026 Oracle Prep