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

  • question_answer
    Value of \[{{K}_{p}}\]in the reaction \[MgC{{O}_{3(s)}}\]⇌\[Mg{{O}_{(s)}}\] \[+\,C{{O}_{2(g)}}\] is   [CBSE PMT 2000; RPMT 2002]

    A)                 \[{{K}_{P}}={{P}_{CO}}_{2}\]     

    B)                         \[{{K}_{P}}=Pc{{o}_{2}}\times \frac{Pc{{o}_{2}}\times {{P}_{MgO}}}{{{P}_{MgC{{O}_{3}}}}}\]

    C)                 \[K{}_{P}=\frac{Pc{{o}_{2}}\times {{P}_{MgO}}}{{{P}_{MgC{{O}_{3}}}}}\]

    D)                  \[{{K}_{P}}=\frac{{{P}_{MgC{{O}_{3}}}}}{{{P}_{C{{O}_{2}}}}\times {{P}_{MgO}}}\]

    Correct Answer: A

    Solution :

           In this reaction gaseous molecule count                    \[MgC{{O}_{3}}\to Mg{{O}_{(s)}}+C{{O}_{2(g)}}\]                                 \[{{K}_{p}}={{P}_{C{{O}_{2}}}}\]


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