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

  • question_answer The concentration of a reactant decreases from 0.2 M to 0.1 M in 10 minutes. The rate of the reaction is

    A)                 0.01 M    

    B)                 \[{{10}^{-2}}\]

    C)                 0.01 mol \[d{{m}^{-3}}\,{{\min }^{-1}}\]              

    D)                 1 mol \[d{{m}^{-3}}\,{{\min }^{-1}}\]

    Correct Answer: C

    Solution :

               Rate of reaction = \[\frac{dx}{dt}=\left[ \frac{0.2-0.1}{10} \right]=\frac{0.1}{10}\]                                 \[=0.01\,\,mol\,\,d{{m}^{-3}}\,mi{{n}^{-1}}\]

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