A-LevelChemistryEquilibriaOct/Nov 2025Paper 1 Q131 Mark
In the Contact process, sulfur dioxide and oxygen react to form sulfur trioxide. In the Haber process, nitrogen and hydrogen react to form ammonia. Which statement about these processes is correct?
AKp for the Haber process has no unit.
BIn the Contact process, the value of Kp falls when pressure is increased at constant T.
CThe Haber process uses a homogeneous catalyst.
DWhen V2O5 is used in the Contact process, the position of equilibrium is unchanged.
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The correct answer is D. This question tests the candidate's understanding of equilibria within the Chemistrysyllabus. The examiner's mark scheme requires...
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