Which Is the Correct Equilibrium Constant Expression for the Following $\rightleftharpoons$

question 57

Multiple Choice

Which is the correct equilibrium constant expression for the following reaction
Fe₂O₃ (s) + 3H₂ (g) $\rightleftharpoons$ 2Fe (s) + 3H₂O (g)

• A) K_c = [Fe₂O₃] [H₂]³ / [Fe]²[H₂O]³
• B) K_c = [H₂] / [H₂O]
• C) K_c = [H₂O]³ / [H₂]³
• D) K_c = [Fe]²[H₂O]³ / [Fe₂O₃] [H₂]³
• E) K_c = [Fe] [H₂O] / [Fe₂O₃] [H₂]

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