Punjab Medical Punjab - MET Solved Paper-1999

  • question_answer
    In a gas phase reaction: \[{{C}_{2}}{{H}_{4}}+{{H}_{2}}={{C}_{2}}{{H}_{6}}\], equilibrium constant can be expressed in

    A) \[mole.litr{{e}^{-1}}\]

    B) \[mol{{e}^{2}}.litr{{e}^{-2}}\]

    C) \[litre.mol{{e}^{-1}}\]

    D) \[litr{{e}^{-1}}.mol{{e}^{-1}}\]

    Correct Answer: C

    Solution :

    We know that dimension of equilibrium constant for the gas\[(K)=\frac{[{{C}_{2}}{{H}_{6}}]}{[{{C}_{2}}{{H}_{4}}][{{H}_{2}}]}\] \[=\frac{mole.litr{{e}^{-1}}}{(mole.litr{{e}^{-1}}).(mole.litr{{e}^{-1}})}\]\[=\frac{1}{mole.litr{{e}^{-1}}}=litre.mol{{e}^{-1}}\]


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