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sir can anyone provide catalyst and their functions

sir can anyone provide catalyst and their functions
 

Grade:12

2 Answers

Arun
25750 Points
4 years ago
A catalyst is a substance that speeds up a chemical reaction, but is not consumed by the reaction; hence a catalyst can be recovered chemically unchanged at the end of the reaction it has been used to speed up, or catalyze.
Vikas TU
14149 Points
4 years ago
Dear student 
Catalysts are substances that can be added to a reaction to increase the reaction rate without getting consumed in the process.
They usually work by Lowering the energy of the transition state, thus lowering the activation energy, and/or
Changing the mechanism of the reaction. This also changes the nature (and energy) of the transition state.
Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.
Enzymes are proteins that act as catalysts in biochemical reactions.
Common types of catalysts include enzymes, acid-base catalysts, and heterogeneous (or surface) catalysts.

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