Chemistry

Difference Between Positive Catalyst and Negative Catalyst

The Major Difference Between Positive Catalyst and Negative Catalyst is that Those substances which increase the rate of a chemical reaction are called positive catalyst while the substances which decrease the rate of a chemical reaction is called Negative Catalyst.

What is a Positive Catalyst?

It has the ability to increase the rate of reaction by decreasing the activation energy.

  1. A catalyst that increases the rate of a reaction without being used.
  2. A decreases the Activation energy of reactant molecules.
  3. It is also called the Promoter.

What is a Negative Catalyst?

conversely, Negative Catalyst has the Ability to decrease the rate of reaction by increasing the activation energy.

  1. A catalyst that decreases the rate of a reaction without being used.
  2. It increases the Activation energy of the reactant molecules.
  3. It is also called Inhibitor.

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