Question detail
For a reversible reaction at equilibrium, what happens if extra product is added?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reversible reactions and dynamic equilibrium
Question
- A. The equilibrium shifts towards reactants to reduce the added product concentration
- B. The equilibrium shifts towards products because product concentration increased
- C. The equilibrium stops because both reactions have finished
- D. The catalyst changes the position of equilibrium
Answer
The answer is The equilibrium shifts towards reactants to reduce the added product concentration.
Explanation
The correct option is "The equilibrium shifts towards reactants to reduce the added product concentration". Le Chatelier?s principle predicts a shift that opposes the change; catalysts do not change equilibrium position.
Common mistake
Misunderstanding Product Concentration Effects
Students often predict that increasing product concentration shifts equilibrium towards products instead of reactants.
Remember that increasing product concentration actually shifts the equilibrium towards the reactants, as per Le Chatelier's Principle.
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