A-LevelChemistryHydrocarbons9701/12 · May/June 2020 · Q301 Mark

The diagram shows the structure of buta-1,3-diene. [Diagram of buta-1,3-diene structure] The addition reaction between buta-1,3-diene and two molecules of hydrogen bromide can produce three structurally isomeric products. How many of these products have at least one chiral centre?

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✓ Correct answer

C: 2

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 30.

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