JEE Main & Advanced Chemistry Chemical Kinetics Question Bank Rate of a reaction

  • question_answer If doubling the concentration of a reactant `A' increases the rate 4 times and tripling the concentration of `A' increases the rate 9 times, the rate is proportional to    [AIIMS 1991]

    A)                 Concentration of `A'

    B)                 Square of concentration of `A'

    C)                 Under root of the  concentration of `A'

    D)                 Cube of concentration of `A'

    Correct Answer: B

    Solution :

                    \[{{2}^{2}}=4,\,\,{{3}^{2}}=9\]

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