A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2018 · Q311 Mark

Compound Q contains 40% carbon by mass. What could Q be? 1 glucose, C₆H₁₂O₆ 2 starch, (C₆H₁₀O₅)n 3 sucrose, C₁₂H₂₂O₁₁

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

D: 1 only is correct

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Topic: Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2018 Paper 1 Variant 2, question 31.

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