Chemistry · Oct / Nov 2024 · Paper 12 · Question 15
5070Exothermic and endothermic reactions
When chemical reaction X takes place, thermal energy is given out. Which row is correct for this reaction?
- Aendothermic — More energy is required to break the bonds than the energy released when the bonds are formed.
- Bendothermic — Less energy is required to break the bonds than the energy released when the bonds are formed.
- Cexothermic — More energy is required to break the bonds than the energy released when the bonds are formed.
- Dexothermic — Less energy is required to break the bonds than the energy released when the bonds are formed.
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Correct answer: D. exothermic — Less energy is required to break the bonds than the energy released when the bonds are formed.
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