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Question

A catalyst is a substance which:



A

increases the equilibrium concentration of the product

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B

changes the equilibrium constant of the reaction

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C

shortens the time to reach equilibrium

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D

supplies energy to the reaction

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Solution

The correct option is B

shortens the time to reach equilibrium


A catalyst increases the rate of reaction but by the same factor for both the forward and backward directions. Hence, a catalyst shortens the time required to reach equilibrium.


Chemistry

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