Question

How Catalyst affect the activation energy?​

Answer 1

The Effect of Catalysts on the Activation Energy Barrier. Catalysts provide a new reaction pathway in which a lower A.E. is offered. A catalyst increases the rate of a reaction by lowering the activation energy so that more reactant molecules collide with enough energy to surmount the smaller energy barrier.

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Answer 2

Following points may help you:-

1. Threshold energy will decrease in presence of any catalyst.

2. There will be decrease in activation energy in case of presence of any catalyst.

3. Reaction will be faster it actually depends on that how the catalyst is.

4. Threshold energy will increase if there is negative catalyst.

5. Activation energy increases in case of negative Catalyst.

6. Also negative catalyst leads to decrease in the rate of the reaction.

7. Negative catalyst in also known as inhibitor.