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O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2013 · Q181 Mark

Which colour change occurs when ethanol is added to a small quantity of warm, acidified potassium dichromate(VI)?

Aorange to colourless

Borange to green

Cpurple to colourless

Dpurple to green

✓ Correct answer

B: orange to green

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About this question

Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 18.

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