The decomposition of hydrogen peroxide was studied under the four sets of conditions shown.
Experiment | [H2O2] (M) | Temperature (°C) | MnO2 catalyst present?
1 | 0.50 | 25 | No
2 | 0.50 | 25 | Yes
3 | 0.50 | 35 | Yes
4 | 0.25 | 35 | No
Which experiment is expected to have the fastest initial reaction rate?
a) Experiment 2
b) Experiment 4
c) Experiment 3
d) Experiment 1