O-LevelChemistryOrganic Chemistry5070/11 · May/June 2018 · Q201 Mark

A compound decolourises acidified potassium manganate(VII). What could this compound be? 1 magnesium chloride, MgCl₂ 2 iron(II) chloride, FeCl₂ 3 ethanol, C₂H₅OH

A1, 2 and 3

B1 and 2 only

C2 and 3 only

D3 only

✓ Correct answer

C: 2 and 3 only

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 1, question 20.

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