define CATALYST

Asked by Nidhi Munshi | 12th Apr, 2013, 05:03: PM

Expert Answer:

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change is known as catalyst.
Examples of some common catalysts are: 

Manganese dioxide: in decomposition of Hydrogen peroxide and Potassium chlorate 

Sulfuric acid: in some esterification reactions 

Vanadium(V) oxide: in oxidation of sulfur dioxide to trioxide 

etc.

Answered by  | 14th Apr, 2013, 10:18: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.