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JEE Main
Exam
JEE Main
Subject
Chemistry
Chapter
Chemical Equilibrium

JEE Main · Chemistry · Chemical Equilibrium

At 3000 K, the equilibrium partial pressure of C O _ 2 , COand O _...

At 3000 K, the equilibrium partial pressure of CO2,COandO2C{O}_{2}, COand{O}_{2} are 0.6, 0.4 and 0.2 atm respectively. Kp{K}_{p} for the reaction, 2CO2⇌2CO+O22C{O}_{2} ⇌ 2CO + {O}_{2} is

Options

  1. A0.088
  2. B0.0533
  3. C0.133
  4. D0.177

Correct answer

A. 0.088

Step-by-step solution

2CO2⇌2CO+O22\text{C}{\text{O}}_{2} ⇌ 2\text{C}\text{O} + {\text{O}}_{2}

At equili. 0.6 atm 0.4 atm 0.2 atm

∴Kp=pCO2×pO2pCO22∴{\text{K}}_{\text{p}} = \dfrac{{\text{p}}_{\text{C}\text{O}}^{2} \times {\text{p}}_{{\text{O}}_{2}}}{{{\text{p}}_{\text{C}\text{O}}^{2}}_{2}}

=(0.4)2(0.2)(0.6)2=0.088= \dfrac{{\left(0.4\right)}^{2} ( 0.2 )}{{\left(0.6\right)}^{2}} = 0.088
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