Question

give 3 examples of catalystic reaction and their catalysts

Answer 1

nickel
2 molecule of hydrogen peroxide

Answer 2

Answer:

Explanation:

(i) The substance in whose presence the rate of a

chemical reaction changes, without causing any

chemical change to it is called a catalyst.

(ii) e.g. Potassium chlorate (KClO3

) decomposes

rapidly in presence of manganese dioxide (MnO2

)

to liberate O2

gas, where manganese dioxide acts

as a catalyst.

(ii) 2KClO3

∆

MnO2

2KCl + 3O2