A-LevelChemistryReaction kineticsOct/Nov 2024Paper 1 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
The correct answer is D. This question tests the candidate's understanding of reaction kinetics within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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