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

  • question_answer
    The rate of the reaction \[CC{{l}_{3}}CHO+NO\to CHC{{l}_{3}}+NO+CO\] is given by Rate \[=K\,[CC{{l}_{3}}CHO]\,[NO]\]. If concentration is expressed in moles/litre, the units of K are          [MP PET 1993]

    A)                 \[litr{{e}^{2}}\,mol{{e}^{-2}}\,{{\sec }^{-1}}\]     

    B)                 \[mole\,litr{{e}^{-1}}{{\sec }^{-1}}\]

    C)                 \[litre\,mol{{e}^{-1}}{{\sec }^{-1}}\]      

    D)                 \[{{\sec }^{-1}}\]

    Correct Answer: C

    Solution :

                    It is a second order reaction and the unit of k for second order reaction is litre \[mo{{l}^{-1}}\,\,se{{c}^{-1}}\].


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