A-LevelChemistryHydrocarbons9701/12 · Oct/Nov 2015 · Q401 Mark

Compound Z is heated with concentrated acidified potassium manganate(VII). This produces an equimolar mixture of CO2 and CH3COCH2CH2CH(COCH3)CH2CO2H. What could be the structural formula of Z? 1 [Diagram of 1,5-dimethylcyclohexa-1,4-diene] 2 [Diagram of 1,3-dimethylcyclohexa-1,3-diene] 3 [Diagram of 1,4-dimethylcyclohexa-1,4-diene]

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A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 2, question 40.

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