Practice Effect of Concentration Changes - 6.1.2.1 | Chapter 6: Equilibrium | IB Grade 12-Chemistry
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Practice Questions

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Question 1

Easy

What happens when a reactant is added to a system at equilibrium?

💡 Hint: Think about what the system does to counteract the change.

Question 2

Easy

If a product is removed from an equilibrium system, what will happen?

💡 Hint: Consider the balance of reactants and products.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What happens when you add more reactants to an equilibrium?

  • It shifts left
  • It shifts right
  • No change

💡 Hint: Refer to Le Chatelier's Principle.

Question 2

True or false: Removing a product from an equilibrium will always shift the reaction to the left.

  • True
  • False

💡 Hint: Think about how systems respond to changes.

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Challenge Problems

Push your limits with challenges.

Question 1

In the equilibrium reaction H₂(g) + I₂(g) ⇌ 2HI(g), if a large amount of H₂ is added, predict how the concentrations of H₂, I₂, and HI will change.

💡 Hint: Use Le Chatelier's Principle to analyze the situation.

Question 2

Consider the reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g). If O₂ is removed from the system, how will the concentration of SO₂ and SO₃ change?

💡 Hint: Think about the shift direction based on what's being removed.

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