O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2015 · Q11 Mark

The diagram shows the fractional distillation of an aqueous solution of ethanol. [Figure 1.1] Which statement explains why ethanol is collected as the distillate?

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.

AEthanol has a higher boiling point than water.

BEthanol has a higher melting point than water.

CEthanol has a lower boiling point than water.

DEthanol has a lower melting point than water.

✓ Correct answer

C: Ethanol has a lower boiling point than water.

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

Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 1.

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