NEET Sample Paper NEET Sample Test Paper-27

  • question_answer
    For the reaction \[2N{{O}_{2(g)}}2N{{O}_{(g)}}+{{O}_{2(g)}}\] (\[{{K}_{C}}=1.8\times {{10}^{-6}}\] at \[{{184}^{o}}C\] and \[R=0.0831\,kJ.mol.K\]) When \[{{K}_{P}}\] and \[{{K}_{C}}\] are compared at \[{{184}^{o}}C,\] it is found that

    A)  \[{{K}_{P}}\] is greater than \[{{K}_{C}}\]

    B)  \[{{K}_{P}}\] is less than \[{{K}_{C}}\]

    C)  \[{{K}_{P}}={{K}_{C}}\]

    D)  Whether \[{{K}_{P}}\] is greater than, less than or equal to \[{{K}_{C}}\] depends upon the total gas pressure.

    Correct Answer: A

    Solution :

    \[2N{{O}_{2(g)}}2N{{O}_{(g)}}+{{O}_{2(g)}}\] \[{{K}_{P}}={{K}_{C}}{{(RT)}^{\Delta n}}\] \[\Delta n=3-2=1\] \[{{K}_{P}}={{K}_{C}}{{(RT)}^{1}}\] \[{{K}_{P}}={{K}_{C}}RT\] \[{{K}_{P}}>{{K}_{C}}\]


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