O-LevelChemistryOrganic Chemistry5070/11 · May/June 2024 · Q371 Mark

Ethanol is produced using either ethene or glucose as the starting material. Which row is correct?

Aethene catalytic addition of steam at 300 °C and 6000 kPa

Bethene catalytic addition of steam at 30 °C and 60 000 kPa

Cglucose 135°C in the presence of yeast and absence of oxygen

Dglucose 35 °C in the presence of yeast and oxygen

✓ Correct answer

A: ethene catalytic addition of steam at 300 °C and 6000 kPa

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 37.

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