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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    \[{{N}_{2}}+{{O}_{2}}2NO.\]. For this reaction \[{{K}_{a}}=100,\] then \[{{K}_{a}}\] for reaction, \[2NO{{N}_{2}}+{{O}_{2}}\]will be:

    A)  \[0.01\]                              

    B)  \[0.1\]

    C)  \[10\]                  

    D)         \[100\]

    Correct Answer: A

    Solution :

    \[{{N}_{2}}+{{O}_{2}}2NO\] \[{{K}_{p}}=\frac{P_{No}^{2}}{{{P}_{{{N}_{2}}}}.{{P}_{{{O}_{2}}}}}\]            ?.(i)                 \[2NO{{N}_{2}}+{{O}_{2}}\]                                 \[K_{P}^{}=\frac{{{P}_{{{N}_{2}}}}.{{P}_{{{O}_{2}}}}}{P_{NO}^{2}}\]          ??(ii) From equation (i) and (ii), we have                 \[K_{P}^{}=\frac{1}{{{K}_{P}}}=\frac{1}{100}=0.01\]


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