A-LevelChemistryHydroxy compounds9701/12 · Feb/Mar 2018 · Q241 Mark

Structural isomerism and stereoisomerism should be considered when answering this question. The molecular formula of compound X is C₅H₁₂O. Compound X: • reacts with alkaline aqueous iodine • can be dehydrated to form two alkenes only. What could be the identity of compound X?

ACH₃CH₂CH(CH₃)CH₂OH

BCH₃CH₂CH(OH)CH₂CH₃

C(CH₃)₂CHCH(OH)CH₃

DCH₃CH₂CH₂CH(OH)CH₃

✓ Correct answer

C: (CH₃)₂CHCH(OH)CH₃

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Topic: Hydroxy compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2018 Paper 1 Variant 2, question 24.

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