CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2000

  • question_answer
    For a first order reaction, to obtain a positive slope, we need to plot {[A] is the concentration of reactant A}:

    A)  \[{{\log }_{10}}[A]\,vs\,t\]         

    B)         \[-{{\log }_{e}}[A]\,vs\,t\]

    C)  \[{{\log }_{10}}[A]\,vs\,\log t\]

    D)         \[[A]\,vs\,t\]

    E)  \[[A]\,vs\,\log t\]

    Correct Answer: B

    Solution :

    For a first order reaction to obtain a positive slope   a,   graph   is   plotted   between \[-{{\log }_{e}}[A]vs\,t.\]


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