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What are promoter and poison?

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What are promoter and poison?

Posted by Ritesh Chakraborty 6 years, 5 months ago

CBSE > Class 12 > Chemistry

3 answers

K@Łp@N@ $Øđh!?? 6 years, 5 months ago

Catalytic Promoters. Substances which themselves are not catalysts, but when mixed in small quantities with the catalysts increase their efficiency are called as promoters or activators. ... Catalytic poisons : Substances which destroy the activity of the catalyst by their presence are known as catalytic poisons.

Yogita Ingle 6 years, 5 months ago

Promoters: Those substances which increase the activity of catalyst are called promoters. Example: Mo is promoter whereas Fe is catalyst in Haber’s Process.
Poisons- Substances which decreasethe activity of the catalyst

Prashant Singh 6 years, 5 months ago

promoter aacelerate the rate of reaction where as poison slow the rate of reaction.

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