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NEET Sample Paper NEET Sample Test Paper-91

  • question_answer
    In a reaction \[A+BC+D,\] the initial concentrations, of A and B were \[0.9\,mol\,d{{m}^{-3}}\] each. At equilibrium the concentration of D was found to be \[0.6\,mol\,d{{m}^{-3}}.\] What is the value of equilibrium constant for the reaction

    A) 8                     

    B)        4   

    C) 9                     

    D)        3

    Correct Answer: B

    Solution :

    [b]
    \[A+BC+D\]
    Initial 0.9 0.9 0 0
    At eqm. 0.3 0.3 0.6 0.6
    \[{{K}_{c}}=\frac{0.6\times 0.6}{0.3\times 0.3}=4\]


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