AFMC AFMC Solved Paper-2007

  • question_answer
    What is the order of a reaction which has a rate expression \[rate=k{{(A)}^{3/2}}{{(B)}^{-1}}\]?

    A)  3/2                                       

    B) 1/2

    C) 0                                               

    D) None of these

    Correct Answer: B

    Solution :

    Order of reaction: The total number of molecules or atoms whose concentration determine the rate of reaction is known as order of reaction. Order of reaction = sum of exponents of the cone. term in the rate law \[rate=k{{[A]}^{_{2}^{3}}}{{[B]}^{-1}}\] \[\therefore \]  Order of reaction \[=\frac{3}{2}+(-1)\]                                 \[=\frac{1}{2}=0.5\]


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