The diagram illustrates an energy level diagram for a reaction. From the diagram, it can be seen that the reaction is ......1...... . Raising the temperature increases the rate of reaction. One reason for this is that the ......2...... . Which words correctly fill gaps 1 and 2?
- Aendothermic; activation energy decreases
- Bendothermic; collision rate increases
- Cexothermic; activation energy decreases
- Dexothermic; collision rate increases