A-LevelChemistryCarboxylic acids and derivatives9701/12 · May/June 2011 · Q281 Mark

The ester CH3CH2CH2CO2CH3 is responsible for the aroma of apples. When this ester is hydrolysed by acid in the stomach, what is the empirical formula of the organic acid produced?

ACH2O

BCH4O

CC2H4O

DC3H6O2

✓ Correct answer

C: C2H4O

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Topic: Carboxylic acids and derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2011 Paper 1 Variant 2, question 28.

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