Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 10 PCB Single Correct MCQ
Published on: August 13, 2026

Statement-I: A catalyst provides an alternative path to the reaction in which conversion of reactants into products takes place quickly.
Statement-II: The catalyst forms an activated complex of lower potential energy, with the reactants by which more number of molecules are able to cross the barrier per unit of time.

A
Both statement-I and statement-II are true and statement-II is a correct explanation for statement-I.
B
Statement-I is true and statement-II is false.
C
Both statement-I and statement-II are true but II is not correct explanation for I.
D
Statement-I is false and statement-II is true.

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The correct answer is:
A

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up are action by reducing the activation energy or changing the reaction mechanism.
As the catalyst is added to the reaction the potential energy decreases as the activation energy decreases.

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