O-LevelChemistryOrganic Chemistry5070/11 · May/June 2024 · Q331 Mark

Alkanes are saturated compounds containing carbon and hydrogen only. Structures 1, 2, 3 and 4 are saturated hydrocarbons. [Diagrams of structures 1, 2, 3 and 4 showing their chemical structures] Which pair of structures are isomers?

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

D2 and 4

✓ Correct answer

D: 2 and 4

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.

Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2024 Paper 1 Variant 1, question 33.

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