Question detail
If the temperature of an exothermic reaction at equilibrium is increased, what will happen according to Le Chatelier's Principle?
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 will shift to the right.
- B. The equilibrium will shift to the left.
- C. The reaction will stop.
- D. The rate of reaction will increase.
Answer
The equilibrium will shift to the left.
Explanation
The correct answer is The equilibrium will shift to the left.. This answer directly addresses the question: If the temperature of an exothermic reaction at equilibrium is increased, what will happen according to Le Chatelier's Principle? 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
Misunderstanding Temperature Effects
Students often confuse the effects of temperature changes on equilibrium with those on reaction rates, thinking that increasing temperature always increases the rate of reaction rather than affecting the position of equilibrium.
To fix this, students should focus on Le Chatelier's Principle, understanding that increasing temperature favors the endothermic direction of the reaction, which can shift the position of equilibrium rather than simply increasing the reaction rate.
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