O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2017 · Q31 Mark

Which diagram shows the arrangement of particles inside a balloon containing a mixture of the gases nitrogen and oxygen?

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.

ADiagram showing widely spaced particles, some paired black, some single white, randomly mixed.

BDiagram showing widely spaced particles, mostly paired black and white, forming small clusters.

CDiagram showing widely spaced particles, mostly paired black and white, evenly mixed and randomly distributed.

DDiagram showing closely packed particles, mostly paired black and white, forming distinct clusters.

✓ Correct answer

C: Diagram showing widely spaced particles, mostly paired black and white, evenly mixed and randomly distributed.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 1, question 3.

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