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JIPMER Jipmer Medical Solved Paper-1999

  • question_answer
    The equilibrium pressure of \[C{{O}_{2}},CO\] and \[{{O}_{2}}\] are 0.6, 0.4 and 0.2 atmospheres respectively. \[{{K}_{p}}\] for the reaction \[2C{{O}_{2}}\rightleftharpoons 2CO+{{O}_{2}}\]is:

    A)  0.074        

    B)                         0.0533 

    C)  0.177                   

    D)         0.088

    Correct Answer: D

    Solution :

    \[\begin{matrix}    {} & 2C{{O}_{2}}\rightleftharpoons  & 2CO+ & {{O}_{2}}  \\    \text{at}\,\text{equilibrium,} & PC{{O}_{2}} & PCO & P{{O}_{2}}  \\    {} & =0.6\,atm & =0.4\,atm & =0.2\,atm  \\ \end{matrix}\] \[\therefore \]   \[{{K}_{p}}=\frac{{{[CO]}^{2-}}[{{O}_{2}}]}{{{[C{{O}_{2}}]}^{2}}}=\frac{{{(0.4)}^{2}}\times (0.2)}{{{(0.6)}^{2}}}\]       \[=0.088\]


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