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

  • question_answer
    In a chemical equilibrium  \[A+B\] ⇌ \[C+D\], when one mole each of the two reactants are mixed, 0.6 mole each of the products are formed. The equilibrium constant calculated is [CBSE PMT 1989]

    A)                 1             

    B)                 0.36

    C)                 2.25       

    D)                 4/9

    Correct Answer: C

    Solution :

           A+ B ⇌C+ D                    Initial                                1   1       0   0                      remaining at equilibrium 0.4 0.4  0.6  0.6                                 \[K=\frac{[C]\,\,[D]}{[A]\,\,[B]}=\frac{0.6\times 0.6}{0.4\times 0.4}=\frac{36}{16}=2.25\].


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