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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Kp and Kc Relationship and Characteristics of K

  • question_answer
    \[CaC{{O}_{3(s)}}\]⇌\[Ca{{O}_{(s)}}+C{{O}_{2(g)}}\] which of the following expression is correct                                               [MH CET 2000]

    A)                 \[{{K}_{P}}=({{P}_{CaO}}+{{P}_{C{{O}_{2}}}}/{{P}_{CaC{{O}_{3}}}})\]

    B)                 \[{{K}_{P}}={{P}_{C{{O}_{2}}}}\]               

    C)                 \[{{K}_{P}}\times ({{P}_{CaO}}\times {{P}_{C{{O}_{2}}}}).{{P}_{CaC{{O}_{3}}}}\]

    D)                 \[\frac{{{K}_{p}}[CaO][C{{O}_{2}}]}{[CaC{{O}_{3}}]}\]

    Correct Answer: B

    Solution :

             \[CaC{{O}_{3(s)}}\]⇌ \[Ca{{O}_{(s)}}+C{{O}_{2(g)}}\]                    \[{{K}_{p}}={{P}_{C{{O}_{2}}}}\]                 Solid molecule does not have partial pressure so in calculation of \[{{K}_{p}}\]only \[{{P}_{C{{O}_{2}}}}\]is applicable.


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