A-LevelChemistryReaction kinetics9701/12 · May/June 2014 · Q321 Mark
The reaction E + F ⇌ G + H is catalysed by platinum. Which statements about the properties of the catalyst are correct? 1 The catalyst has no effect on the enthalpy change of the reaction. 2 The catalyst increases the rate of the reverse reaction. 3 The catalyst increases the average kinetic energy of the reacting particles.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
B: 1 and 2 only are correct
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