Chemistry · May / June 2019 · Paper 12 · Question 16
5070Exothermic and endothermic reactions
The diagram shows the energy profile of a chemical reaction. Which row is correct?
- Athe reaction that is endothermic: backward reaction; the reaction with greater activation energy: backward reaction
- Bthe reaction that is endothermic: backward reaction; the reaction with greater activation energy: forward reaction
- Cthe reaction that is endothermic: forward reaction; the reaction with greater activation energy: backward reaction
- Dthe reaction that is endothermic: forward reaction; the reaction with greater activation energy: forward reaction
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Correct answer: D. the reaction that is endothermic: forward reaction; the reaction with greater activation energy: forward reaction
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