AIPMT PRELIMS2000Chemistry-Equilibrium

AIPMT PRELIMS 2000 Chemistry Chemical Equilibrium MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Equilibrium constant Kp for following reaction : MgCO₃(s) ⇌ MgO(s) + CO₂(g)

A

Kp = PCO₂

B

Kp = PCO₂ × PMgO PMgCO₃

C

Kp = PCO₂ + PMgO PMgCO₃

D

Kp = PMgCO₃ PCO₂ × PMgO

Correct Answer

Option A

Detailed Explanation

For the reaction involving solids and gases, only the gaseous component contributes to the equilibrium constant Kp, which is equal to the partial pressure of CO₂.

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