O-LevelChemistryOrganic Chemistry5070/11 · May/June 2011 · Q371 Mark

Compounds X and Y are both alkanes. Compound X has a higher boiling point than compound Y. What could be the formulae of compounds X and Y?

AC8H16, C9H18

BC8H18, C9H20

CC9H18, C8H16

DC9H20, C8H18

✓ Correct answer

D: C9H20, C8H18

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 2011 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