J & K CET Engineering J and K - CET Engineering Solved Paper-2011

  • question_answer
    The equilibrium constant value\[{{K}_{p}}\]for the equilibrium \[{{H}_{2}}(g)+{{I}_{2}}(g)\rightleftharpoons 2HI(g)\] changes with

    A)  total pressure

    B)  temperature

    C)  catalyst

    D)  the amounts of \[{{\text{H}}_{\text{2}}}\]and\[{{\text{I}}_{\text{2}}}\]present

    Correct Answer: B

    Solution :

     For the equilibrium \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g);\] the equilibrium constant value,\[{{K}_{p}}\]changes with the temperature. \[\log \frac{{{K}_{2}}}{{{K}_{1}}}=\frac{\Delta \Eta }{2.303R}\left[ \frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{1}}.{{T}_{2}}} \right]\]


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