A catalyst does not change the position of equilibrium but this equilibrium position approach earlier. Why?

A catalyst does not change the position of equilibrium but this equilibrium position approach earlier. Why?
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Answer :

A catalyst decrease the energy of activation required by reacting substance so the position of equilibrium reaches earlier.
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What will be the effect on equilibrium if (i) a catalyst is added to it (ii) An inert gas is added at constant volume

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Catalyst is a substance, which __________ chemical reaction. (A) Increases the speed of a (B) Decreases the speed of a (C) Can either increase or decrease the speed of a (D) Alters the value of equilibrium constant in a reversible

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The equilibrium constant of chemical reaction __________ in the presence of catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Can either increase or decrease (depends on the type of catalyst)

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