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

  • question_answer
    For reaction 2NOCl(g) ⇌ \[2NO(g)+C{{l}_{2}}(g)\], \[{{K}_{C}}\]at 427°C is \[3\times {{10}^{-6}}L\ mo{{l}^{-1}}\]. The value of \[{{K}_{P}}\] is nearly                [AIIMS 2005]

    A)                 \[7.50\times {{10}^{-5}}\]            

    B)                 \[2.50\times {{10}^{-5}}\]

    C)                 \[2.50\times {{10}^{-4}}\]            

    D)                 \[1.75\times {{10}^{-4}}\]

    Correct Answer: D

    Solution :

           2NOCl(g) = 2NO(g) + Cl2(g)                    Kp = KC (RT)∆n                    Kp = 3 ´ 10?6 (0.0821 ´ 700) = 172.41 ´ 10­?6                                                                 = 1.72 ´ 10?4


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