A-LevelChemistryHydroxy compounds9701/12 · May/June 2017 · Q251 Mark
Compound X is a single, pure, optical isomer. X is heated with an excess of concentrated H₂SO₄. Only one organic product is formed. What could X be?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Acyclohexane ring with a hydroxyl group and a methyl group attached to the same carbon atom.
Bcyclohexane ring with a hydroxyl group and a methyl group attached to adjacent carbon atoms.
Ccyclohexane ring with a hydroxyl group and two methyl groups attached to adjacent carbon atoms, specifically a carbon with -OH and a carbon with two -CH₃ groups.
Dcyclohexane ring with a -CH₂OH group attached to one carbon atom.
✓ Correct answer
D: cyclohexane ring with a -CH₂OH group attached to one carbon atom.
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