Chemistry 9701 · AS & A Level · Equilibria

Equilibria — practice question

The reaction involving sulfur dioxide and oxygen is a dynamic equilibrium. $2\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\text{SO}_3(g)$ What occurs when the pressure of the system is increased?

  • AThe rate of reaction will decrease and the position of the equilibrium will move to the left.
  • BThe rate of reaction will decrease and the position of the equilibrium will move to the right.
  • CThe rate of reaction will increase and the position of the equilibrium will move to the left.
  • DThe rate of reaction will increase and the position of the equilibrium will move to the right.

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