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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