O-LevelChemistryOrganic Chemistry5070/11 · May/June 2017 · Q391 Mark
An organic compound, X, has a molecular formula C4H8O2 and turns damp, blue litmus paper red. What is the structure of X?
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.
AH H O H H
H-C-C-C-O-C-H
H H H H H
BH H H O
H-C-C-C-C
H H H O-H
CO H H
H-C-O-C-C-C-H
H H H
DC-H
H H H
H-O-C-C-C-C-H
H H H H
✓ Correct answer
D: C-H H H H H-O-C-C-C-C-H H H H H
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