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Question 600401
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Chemical and Ionic Equilibrium: Equilibrium Constant MCQ

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Equilibrium ConstantEasyQuestion 600401

Question

For the reaction N₂ + 3H₂ ⇌ 2NH₃, the expression for Kc is:
  1. A
    [NH₃]²/([N₂][H₂]³)
    Correct
  2. B
    [N₂][H₂]³/[NH₃]²
  3. C
    [NH₃]/([N₂][H₂])
  4. D
    [NH₃]²[N₂]/[H₂]³

Correct answer

[NH₃]²/([N₂][H₂]³)

Explanation

Kc = [products]^stoich / [reactants]^stoich = [NH₃]²/([N₂][H₂]³). Pure solids and liquids are excluded.

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