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WB JEE Medical WB JEE Medical Solved Paper-2010

  • question_answer
    Calculate \[{{K}_{c}}\]for the reversible process given below if \[{{K}_{p}}=167\]and \[T=800{{\,}^{o}}C\] \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g)\]

    A)  1.95                                      

    B)  1.85

    C)  1.89                                      

    D)  1.60

    Correct Answer: C

    Solution :

                     \[{{K}_{p}}={{K}_{c}}{{(RT)}^{\Delta {{n}_{g}}}}\] For Eq. \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g),\Delta {{n}_{g}}=1\]                                 \[{{K}_{c}}=\frac{{{K}_{p}}}{{{(RT)}^{\Delta {{n}_{g}}}}}\]                                 \[=\frac{167}{{{(0.0821\times 1073)}^{1}}}=1.89\]


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