O-LevelChemistryOrganic Chemistry5070/12 · May/June 2016 · Q361 Mark

Wine is an alcoholic drink that contains ethanol. If wine is left exposed to the air for too long, it can become acidic. This is because the ethanol is .......1...... to the acid ......2....... Which word and formula correctly complete gaps 1 and 2?

Aoxidised CH3COOH

Boxidised CH3CH2COOH

Creduced CH3COOH

Dreduced CH3CH2COOH

✓ Correct answer

A: oxidised CH3COOH

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2016 Paper 1 Variant 2, question 36.

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