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A-LevelChemistryReaction kinetics9701/12 · Oct/Nov 2024 · Q151 Mark

Why does the rate of a gaseous reaction increase when the pressure is increased at a constant temperature?

AMore particles have energy that exceeds the activation energy.
BThe particles have more space in which to move.
CThe particles move faster.
DThere are more frequent collisions between particles.

✓ Correct answer

D: There are more frequent collisions between particles.

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About this question

Topic
Reaction kinetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2024 Paper 1 Variant 2, question 15.

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