JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Law of equilibrium and Equilibrium constant

  • question_answer
    Equilibrium concentration of \[HI,\,{{I}_{2}}\] and \[{{H}_{2}}\] is \[0.7,\,0.1\] and \[0.1\,M\] respectively. The equilibrium constant for the reaction \[{{I}_{2}}+{{H}_{2}}\]⇌\[2HI\] is                                       [JIPMER 2000]

    A)                 36          

    B)                 49

    C)                 0.49       

    D)                 0.36

    Correct Answer: B

    Solution :

              \[{{K}_{c}}=\frac{{{[HI]}^{2}}}{[{{H}_{2}}]\,\,[{{I}_{2}}]}=\frac{{{[0.7]}^{2}}}{[0.1]\,\,[0.1]}=49\]


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