How does MnO2 work as a catalyst?

Related questions

1. What is molarity of KMnO4?
2. Why only h2so4 is used in KMnO4 titration?
3. Why KMnO4 is kept in a Coloured bottle?
4. Is KMnO4 a reducing agent?
5. Does KMnO4 oxidize alcohol?
6. Why KMnO4 is a self indicator?
7. Why h2so4 is used in titration of KMnO4?
8. Why is KMnO4 oxidizing agent?
9. Is KMnO4 a base?
10. What is the acidity of KMnO4?

Tags

1. #water
2. #moelwyn
3. #hughes
4. #catalyst
5. #hydrogen
6. #about
7. #times
8. #catalyzes
9. #oxygen
10. #actually
11. #lower
12. #activation
13. #addition
14. #decomposition
15. #energy
16. #manganese
17. #speeds
18. #dioxide
19. #synthesized
20. #peroxide