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JEE Main & Advanced Chemistry Chemical Kinetics / रासायनिक बलगतिकी Question Bank Rate law and Rate Constant

  • question_answer
    Value of velocity constant for first order reaction is \[3.46\times {{10}^{-3}}{{\min }^{-1}}\], the time for half change is

    A)                 100 minutes      

    B)                 400 minutes

    C)                 200 minutes      

    D)                 346 minutes

    Correct Answer: C

    Solution :

                    \[{{t}_{1/2}}=\frac{0.693}{k}=\frac{0.693}{3.46\times {{10}^{-3}}}=200\,min\]


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