Question detail

What effect does decreasing the concentration of reactants have on 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

  1. A. It shifts the equilibrium towards the products.
  2. B. It shifts the equilibrium towards the reactants.
  3. C. It has no effect on the equilibrium.
  4. D. It increases the rate of reaction.

Answer

It shifts the equilibrium towards the reactants.

Explanation

The correct answer is It shifts the equilibrium towards the reactants.. This answer directly addresses the question: What effect does decreasing the concentration of reactants have on 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

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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Using Le Chatelier S Principle Mcq 3 question detail | Chem MTSLT8 | ExamCompanion