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RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    For the reaction, \[2S{{O}_{3}}2S{{O}_{2}}+{{O}_{2}}\] the expression for the equilibrium constant \[({{K}_{c}})\]is

    A)  \[\frac{2[S{{O}_{2}}][{{O}_{2}}]}{2[S{{O}_{3}}]}\]

    B)  \[\frac{[S{{O}_{2}}][{{O}_{2}}]}{[S{{O}_{3}}]}\]

    C)  \[\frac{{{[S{{O}_{3}}]}^{2}}}{[S{{O}_{2}}][{{O}_{2}}]}\]

    D)  \[\frac{{{[S{{O}_{2}}]}^{2}}[{{O}_{2}}]}{{{[S{{O}_{3}}]}^{2}}}\]

    Correct Answer: D

    Solution :

    \[2S{{O}_{3}}2S{{O}_{2}}+{{O}_{2}}\] \[{{K}_{c}}=\frac{{{[S{{O}_{2}}]}^{2}}[{{O}_{2}}]}{{{[S{{O}_{3}}]}^{2}}}\]


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