O-LevelChemistryOrganic Chemistry5070/11 · May/June 2021 · Q381 Mark

An ester has the formula C₂H₅COOC₂H₅. Which pair of compounds would react together to form this ester?

Aethanoic acid and ethanol

Bethanol and propanoic acid

Cpropanoic acid and propanol

Dpropanol and ethanoic acid

✓ Correct answer

B: ethanol and propanoic acid

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2021 Paper 1 Variant 1, question 38.

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