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

  • question_answer
    3.2 moles of hydrogen iodide were heated in a sealed bulb at \[{{444}^{o}}C\] till the equilibrium state was reached. Its degree of dissociation at this temperature was found to be 22%. The number of moles of hydrogen iodide present at equilibrium are                 [BHU 1982]

    A)                 2.496    

    B)                         1.87

    C)                 2             

    D)                 4

    Correct Answer: A

    Solution :

             \[\frac{22}{100}\times 3.2=0.704\]                                 \[\therefore \] at equil. moles of HI =3.2?0.704 = 2.496


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