A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2025 · Q371 Mark
In four separate reactions, W, X, Y and Z, 1 mol of an organic compound reacts with an excess of a reagent. [Figure 37: Table of organic compounds and reagents] The volume of any gas produced is collected and measured. All gas volumes are measured at the same temperature and pressure. What is the order of the reactions from greatest total volume of gas collected to least total volume of gas collected?
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.
AW, Y, Z, X
BW, Z, Y, X
CZ, W, X, Y
DZ, X, W, Y
✓ Correct answer
C: Z, W, X, Y
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