Which is not a characteristic of a catalyst?

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(A) catalyst does not change the equilibrium constant because it affects both the forward and backward reaction rates to the same extent.It provides a

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It changes the equilibrium constant.

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(A) catalyst does not change the equilibrium constant because it affects both the forward and backward reaction rates to the same extent.It provides an alternative reaction pathway with a lower activation energy,which increases the rate of reaction.It does not increase the average kinetic energy $(K.E.)$ of the molecules.Therefore,both $A$ and $D$ are not characteristics of a catalyst,but in the context of standard multiple-choice questions,$A$ is the most fundamental thermodynamic property that remains unchanged.

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