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

  • question_answer
    For the gaseous phase reaction                 2NO ⇌ \[{{N}_{2}}+{{O}_{2}}\,\,\,\,\Delta H{}^\circ =+\ 43.5\,\,kcal\,mo{{l}^{-1}}\] Which statement is correct                                          [MH CET 1999]

    A)                 K varies with addition of NO

    B)                 K decrease as temperature decreases

    C)                 K Increases as temperature decreases

    D)                 K is independent of temperature

    Correct Answer: B

    Solution :

               2.303 log\[\frac{{{K}_{2}}}{{{K}_{1}}}=\frac{\Delta H}{R}\frac{[{{T}_{2}}-{{T}_{1}}]}{{{T}_{1}}\times {{T}_{2}}}\]                         \[\Delta H=\]+ve for the reaction


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