What is the effect of adding a catalyst to a reaction at equilibrium?

Answer and explanation

Correct answer: B. The position of equilibrium does not change but equilibrium is reached faster

  1. Step 1: A catalyst speeds up both directions equally.
Answer
The position of equilibrium does not change but equilibrium is reached faster.
Why not the others: The position of equilibrium shifts to the products, The equilibrium constant increases and The reaction stops do not fit.

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