A-LevelChemistryReaction kineticsOct/Nov 2020Paper 1 Q111 Mark
Ammonia is made by the Haber process. The reactants are nitrogen and hydrogen. N₂(g) + 3H₂(g) ⇌ 2NH₃(g) ΔH is negative What will increase the rate of the forward reaction?
Aadding argon to the mixture but keeping the total volume constant
Bdecreasing the temperature
Cincreasing the total pressure by reducing the total volume at constant temperature
Dremoving ammonia as it is made but keeping the total volume of the mixture the same
✓ 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep