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

  • question_answer
    Decay constant of a reaction is \[1.1\times {{10}^{-9}}/\sec \],  then the half life of the reaction is

    A)                 \[1.2\times {{10}^{8}}\]                

    B)                 \[6.3\times {{10}^{8}}\]

    C)                 \[3.3\times {{10}^{8}}\]                

    D)                 \[2.1\times {{10}^{8}}\]

    Correct Answer: B

    Solution :

                    \[{{t}_{1/2}}=\frac{0.693}{k},\,\,\frac{0.693}{1.1\times {{10}^{-9}}}=6.3\times {{10}^{8}}\]sec.


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