A-LevelChemistryReaction kineticsOct/Nov 2010Paper 1 Q21 Mark
Which diagram correctly represents the Boltzmann distribution of molecular energies at two temperatures T₁ and T₂, where T₁ = 300K and T₂ = 310K?
A[Diagram A showing Boltzmann distribution curve with T1 peak higher and to the left of T2 peak]
B[Diagram B showing Boltzmann distribution curve with T2 peak lower and to the right of T1 peak]
C[Diagram C showing Boltzmann distribution curve with T2 peak higher and to the left of T1 peak]
D[Diagram D showing Boltzmann distribution curve with T1 peak lower and to the right of T2 peak]
✓ Correct Answer
The correct answer is B. 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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