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ICSE - VIII - Chemistry - Chemical Reactions

What is the difference between a catalyst and a promoter?

Asked by mkp400 21st October 2017, 8:23 PM
Answered by Expert


A catalyst is a substance which decreases the activation energy of a chemical reaction without itself being changed at the end of the chemical reaction.
A promoter is an accelerator of catalysis, but not a catalyst by itself.
Promoter is a material that enhances the action of a catalyst without actually having any catalytic value itself.
Answered by Expert 23rd October 2017, 9:32 AM

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