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

  • question_answer
    For the first order reaction with rate constant \[k\], which expression gives the half-life period ? (Initial concentration \[=a\])  [MP PET/PMT 1998]

    A)   \[\frac{{{1}^{2}}}{k}\]  

    B)   \[\frac{1}{ka}\]

    C)   \[\frac{0.693}{k}\]

    D)                 \[\frac{3}{2k{{a}^{2}}}\]

    Correct Answer: C

    Solution :

                    \[{{t}_{1/2}}=\frac{0.693}{k}\]


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