JCECE Engineering JCECE Engineering Solved Paper-2013

  • question_answer
    In which of the following, equilibrium \[{{K}_{c}}\] and \[{{K}_{p}}\] are not equal?

    A) \[2C(s)+{{O}_{2}}(g)2C{{O}_{2}}(g)\]

    B) \[2NO(g){{N}_{2}}(g)+{{O}_{2}}(g)\]

    C) \[S{{O}_{2}}(g)+N{{O}_{2}}(g)S{{O}_{3}}(g)+NO(g)\]

    D) \[{{H}_{2}}(g)+{{I}_{2}}(g)2HI(g)\]

    Correct Answer: A

    Solution :

    \[{{K}_{P}}={{K}_{C}}{{(RT)}^{\Delta {{n}_{g}}}}\] \[\Delta {{n}_{g}}\ne 0\]for the reaction \[2C(s)+{{O}_{2}}(g)2C{{O}_{2}}\] Thus,\[{{K}_{P}}\ne {{K}_{C}}\]


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