A-LevelChemistryReaction kineticsMay/June 2017Paper 1 Q111 Mark
The Boltzmann distribution for the hydrogenation of an alkene at a particular temperature in the absence of a catalyst is shown. [Figure 11.1] Which row correctly describes the effects of adding nickel to the reaction vessel?
Achanges, decreases
Bchanges, increases
Cdoes not change, decreases
Ddoes not change, increases
✓ Correct Answer
The correct answer is C. 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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