Q.

A catalyst increases the rate of a reaction without changing 

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a

Mechanism of reaction

b

Path of reaction

c

Energy of activation 

d

Heat of the reaction

answer is B.

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Detailed Solution

A catalyst lowers the activation energy of the reaction to increase the rate of chemical reaction by providing an alternate pathway of the reaction. Catalyst works on intermediate complex theory and it does not change the Gibbs free energy of the reaction, heat of reaction, and many more.

Therefore, the correct option is (B).

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