Question detail
If the concentration of reactant A in a reversible reaction is increased, what will happen to the position of equilibrium?
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. It will shift towards the products
- B. It will shift towards the reactants
- C. It will remain unchanged
- D. It will shift to the left
Answer
It will shift towards the products
Explanation
The correct answer is It will shift towards the products. This answer directly addresses the question: If the concentration of reactant A in a reversible reaction is increased, what will happen to the position of equilibrium? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misinterpreting Concentration Changes
Students often confuse the effect of increasing reactant concentration with decreasing product concentration, thinking both will shift equilibrium towards products.
Remember that increasing reactant concentration shifts equilibrium towards products, while increasing product concentration shifts equilibrium towards reactants.
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