A-LevelChemistryHydrocarbons9701/12 · May/June 2022 · Q301 Mark

The alkene shown reacts with an excess of HBr via an electrophilic addition reaction. [Figure showing skeletal formula of 2,5-dimethylhex-2-ene] What is the major product formed?

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A3,5-dibromo-2-methylhexane

B2,5-dibromo-2-methylhexane

C2,6-dibromo-2-methylhexane

D3,6-dibromo-2-methylhexane

✓ Correct answer

B: 2,5-dibromo-2-methylhexane

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 30.

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