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

  • question_answer
    The conversion of \[A\to B\] follows second order kinetics. Doubling the concentration of \[A\] will increase the rate of formation of \[B\] by a factor [MP PET 1999; DCE 1999; KCET 2001; BCECE 2005]

    A)                 \[1/4\]

    B)                 2

    C)                 \[1/2\]

    D)                 4

    Correct Answer: D

    Solution :

               \[r=k{{(A)}^{2}}\], when concentration is doubled                                 \[r=k{{(2A)}^{2}}=k\,4{{(A)}^{2}}\] the rate becomes 4 times.


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