Question detail
What does a Kp value greater than 1 indicate about the equilibrium position of a reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Equilibrium constant Kp for homogeneous systems (A-level only)
Question
- A. The products are favored at equilibrium.
- B. The reactants are favored at equilibrium.
- C. The reaction does not reach equilibrium.
- D. The reaction is not reversible.
Answer
The products are favored at equilibrium.
Explanation
The correct option is The products are favored at equilibrium.. The products are favored at equilibrium. is the best answer because it directly supports the AQA A-Level Chemistry objective to interpret Kp values in terms of equilibrium position. This reasoning is anchored to Kp and partial pressure (A-level only) in Equilibrium constant Kp for homogeneous systems (A-level only), and it separates equilibrium position from similar A-Level ideas rather than relying on a vague recall statement. Other options are weaker if they use the wrong evidence, calculation, mechanism, observation, unit, or conclusion for this subtopic.
Common mistake
Misinterpretation of Kp Values
Students often confuse high Kp values with a reaction that goes to completion, rather than understanding that a high Kp indicates a greater concentration of products at equilibrium.
To fix this, students should remember that Kp values indicate the ratio of products to reactants at equilibrium, not the extent of the reaction. A high Kp means products are favored, but it does not imply that reactants are completely consumed. Keep the correction anchored to Kp and partial pressure (A-level only) and the objective: Interpret Kp values in terms of equilibrium position.
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