A-LevelChemistryHydrocarbons9701/12 · Oct/Nov 2017 · Q221 Mark

Which compound would produce two different carboxylic acids when treated with hot, concentrated, acidified manganate(VII) ions?

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A[Skeletal diagram of 2-methylbut-1-ene (CH2=C(CH3)CH2CH3)]

B[Skeletal diagram of hex-3-ene (CH3CH2CH=CHCH2CH3)]

C[Skeletal diagram of cyclohexene]

D[Skeletal diagram of pent-2-ene (CH3CH=CHCH2CH3)]

✓ Correct answer

B: [Skeletal diagram of hex-3-ene (CH3CH2CH=CHCH2CH3)]

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 22.

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