BHU PMT BHU PMT Solved Paper-2002

  • question_answer
    A substance reacts according to first order kinetics. The rate constant for the reaction is\[1\times {{10}^{-2}}{{s}^{-1}}\]. Its initial concentration is 1 M. Its initial rate is:

    A)  \[2\times {{10}^{2}}\]                                  

    B)  \[1\times {{10}^{2}}\]

    C)  \[1\times {{10}^{-2}}\]                                 

    D)  \[2\times {{10}^{-2}}\]

    Correct Answer: C

    Solution :

                     Key Idea: Use formula Initial rate = K [reactant] \[=1\times {{10}^{-2}}[1]=1\times {{10}^{-2}}mol\text{ }{{L}^{-1}}{{s}^{-1}}\]


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