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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Law of equilibrium and Equilibrium constant

  • question_answer
    At 3000 K the equilibrium pressures of CO2, CO and O2 are 0.6,0.4 and 0.2 atmospheres respectively. \[{{K}_{p}}\]for the reaction, \[2C{{O}_{2}}\]⇌\[2CO+{{O}_{2}}\] is          [JIPMER 1999]

    A)                 0.089    

    B)                 0.0533

    C)                 0.133    

    D)                 0.177

    Correct Answer: A

    Solution :

    \[{{K}_{p}}=\frac{{{[{{P}_{CO}}]}^{2}}[{{P}_{{{O}_{2}}}}]}{{{[{{P}_{C{{O}_{2}}}}]}^{2}}}=\frac{{{[0.4]}^{2}}\times [0.2]}{{{[0.6]}^{2}}}=0.0888\].


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