Chemistry · May / June 2017 · Paper 11 · Question 16
5070Exothermic and endothermic reactions
The energy profile diagram for the forward direction of a reversible reaction is shown. [energy profile diagram] For the reverse reaction, which row correctly shows the sign of the activation energy and the type of enthalpy change?
- Anegative; endothermic
- Bnegative; exothermic
- Cpositive; endothermic
- Dpositive; exothermic
As printed in the paper
Show the answer
Correct answer: D. positive; exothermic
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.