NEET Sample Paper NEET Sample Test Paper-74

  • question_answer
    The unit of 1st and zero order reaction in term of molarity are respectively

    A)  \[{{\operatorname{s}}^{-}}^{1}, \,M{{s}^{-}}^{1}\]                       

    B)  \[{{\operatorname{s}}^{-}}^{1}, \,M\]

    C)  \[M{{s}^{-}}^{1}\]               

    D)  \[\operatorname{M}, {{s}^{-}}^{1}\]

    Correct Answer: A

    Solution :

          \[R=k{{\left[ A \right]}^{1}}\]                                        (first order) \[\operatorname{mol}\,\,{{L}^{-1}}\,{{s}^{-1}}\,=\,\,k\,\,mol\,\,{{L}^{-1}}\] Unit of \[k={{s}^{-1}}\] \[\operatorname{R} = k {{\left[ A \right]}^{0}}\]                         (zero order reaction) \[\operatorname{mol}\,\,{{L}^{-1}}\,{{s}^{-1}}\,=\,\,k\] Unit of \[k=mol\,\,{{L}^{-1}}\,{{s}^{-1}}\]


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