JEE Main Chemistry question

When a catalyst is added to a system, the:

(A)Equilibrium concentrations are increased
(B)Equilibrium concentrations are unchangedCorrect
(C)Rate of forward reaction is increased and that of backward reaction is decreased
(D)Value of equilibrium constant is decreased

Answer: (B)

Solution

A catalyst speeds up the forward and backward reactions by exactly the same factor, so the ratio of product to reactant concentrations at

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Question ID VK-144952