O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2020 · Q171 Mark

The diagrams show the structures of ethene and propene. Which statement about equal volumes of ethene gas and propene gas at r.t.p. is correct?

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.

AThey contain equal numbers of atoms.

BThey give equal volumes of carbon dioxide when burnt completely in oxygen.

CThey give equal masses of ethane and propane when reacted with hydrogen.

DThey react with equal masses of bromine.

✓ Correct answer

D: They react with equal masses of bromine.

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 1, question 17.

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