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Which of the following changes will NOT affect the position of equilibrium?

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Question: Which of the following changes will NOT affect the position of equilibrium?

Options:

  1. Adding a catalyst
  2. Changing the concentration of reactants
  3. Changing the temperature
  4. Changing the pressure

Correct Answer: Adding a catalyst

Solution:

A catalyst speeds up the rate of reaching equilibrium but does not change the position of equilibrium or the equilibrium constant.

Which of the following changes will NOT affect the position of equilibrium?

Practice Questions

Q1
Which of the following changes will NOT affect the position of equilibrium?
  1. Adding a catalyst
  2. Changing the concentration of reactants
  3. Changing the temperature
  4. Changing the pressure

Questions & Step-by-Step Solutions

Which of the following changes will NOT affect the position of equilibrium?
  • Step 1: Understand what equilibrium means in a chemical reaction. It is the point where the forward and reverse reactions occur at the same rate.
  • Step 2: Know that the position of equilibrium can be affected by changes in concentration, temperature, and pressure.
  • Step 3: Learn that a catalyst is a substance that speeds up a reaction without being consumed in the process.
  • Step 4: Realize that while a catalyst helps the reaction reach equilibrium faster, it does not change the actual position of equilibrium.
  • Step 5: Conclude that adding a catalyst will NOT affect the position of equilibrium or the equilibrium constant.
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