Question

What is a (i) catalyst and (ii) negative catalyst?

Answer 1

Answer:

A catalyst which increases the rate of reaction is called positive catalyst. ... (ii)Negative catalysts (Inhibitors): A catalystwhich decreases or retards the rate of reaction is called negative catalysts.Negative Catalysts. It is because a -vecatalyst increase activation energy by taking a longer alternative path.

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Answer 2

CATALYST =

the substance which can increase the rate of reaction is called catalyst

NEGATIVE CATALYST =

the substance which can decrease the rate of reaction is called as negative catalyst

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