Which row in the table correctly describes the effect of increasing the temperature of a reaction mixture on the activation energy (EaE_{\text{a}}Ea) and the proportion of molecules with energy ≥Ea\ge E_{\text{a}}≥Ea?
| Activation energy (EaE_{\text{a}}Ea) | Proportion of molecules with energy ≥Ea\ge E_{\text{a}}≥Ea | |
|---|---|---|
| A | decreases | increases |
| B | remains unchanged | increases |
| C | remains unchanged | remains unchanged |
| D | increases | decreases |
Row A
Row B
Row C
Row D
29 exam-style questions on OCR A A Level Chemistry How fast?. Each one has a worked solution and a mark scheme showing where the marks go.