STANDARDChemistry-Chemical Kinetics
STANDARD Chemistry Catalysis MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following statements is not correct for the catalyst?
A
It catalyses the forward and backward reaction to the same extent.
B
It alters ΔG of the reaction.
C
It is a substance that does not change the equilibrium constant of a reaction.
D
It provides an alternate mechanism by reducing activation energy between reactants and products.
Correct Answer
Option B
Detailed Explanation
A catalyst does not alter the Gibbs free energy (ΔG) of a reaction. It only lowers the activation energy, allowing the reaction to proceed faster.
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