Adding a catalyst to a reaction mixture at equilibrium will

Answer and explanation

Correct answer: B. not change the position of the equilibrium

  1. Step 1: A catalyst only lets the system reach equilibrium faster.
Answer
not change the position of the equilibrium.
Why not the others: shift the equilibrium to the right: a catalyst speeds up both directions equally. shift the equilibrium to the left: a catalyst speeds up both directions equally. increase the value of Kc: Kc depends only on temperature.

Practise more Acids, bases and chemical equilibrium.

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