Chemical EquilibriumeasyMCQ SINGLE

For the reaction: CaCO₃(s) ⇌ CaO(s) + CO₂(g), K_p isChemical Equilibrium Chemistry Question

Question

For the reaction: CaCO₃(s) ⇌ CaO(s) + CO₂(g), K_p is

Answer: A

💡 Solution & Explanation

The equilibrium constant K_p for a heterogeneous equilibrium only includes the partial pressures of the gaseous species. Solids are omitted (activity = 1). Therefore, K_p = P_CO₂. Therefore, correct answer is A.

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