For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens to the equilibrium posi

Practice Questions

Q1
For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens to the equilibrium position if SO3 is removed from the system? (2023)
  1. The equilibrium shifts to the left
  2. The equilibrium shifts to the right
  3. The equilibrium remains unchanged
  4. The reaction stops

Questions & Step-by-Step Solutions

For the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what happens to the equilibrium position if SO3 is removed from the system? (2023)
  • Step 1: Understand that the reaction involves the substances SO2, O2, and SO3.
  • Step 2: Recognize that the reaction can reach a state called equilibrium, where the concentrations of the reactants and products remain constant.
  • Step 3: Identify that removing SO3 from the system decreases its concentration.
  • Step 4: Apply Le Chatelier's principle, which states that if a change is made to a system at equilibrium, the system will adjust to counteract that change.
  • Step 5: Since SO3 is removed, the system will try to increase the concentration of SO3 again.
  • Step 6: To produce more SO3, the reaction will shift to the right, meaning it will favor the formation of SO3 from SO2 and O2.
  • Le Chatelier's Principle – When a system at equilibrium is subjected to a change in concentration, pressure, or temperature, the system will adjust to counteract that change and restore a new equilibrium.
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