RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

  • question_answer
    For hypothetical equlibrium \[4A+5B4X+6Y\] The unit of \[{{K}_{c}}\] will be:

    A)  \[litre\text{ }mol{{e}^{-1}}\]

    B)  \[mole\,\,litr{{e}^{-1}}\]

    C)  \[litre\text{ }mol{{e}^{-2}}\]

    D)  \[mol{{e}^{2}}\text{ }litr{{e}^{-2}}\]

    Correct Answer: B

    Solution :

    For this reaction, \[{{K}_{c}}=\frac{{{[X]}^{4}}\,{{[Y]}^{6}}}{{{[A]}^{4}}\,{{[B]}^{5}}}\] So the unit of \[{{K}_{c}}={{\left[ \frac{mole}{litre} \right]}^{(4+6)-(4+5)}}\]                 \[=mole\,litr{{e}^{-1}}\]


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