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

  • question_answer
    Which of the following rate laws has an overall order of 0.5 for reaction involving substances \[x\], \[y\] and \[z\] [AIIMS 1983]

    A)                 Rate \[=K({{C}_{x}})\,({{C}_{y}})\,({{C}_{z}})\]

    B)                 Rate \[=K{{({{C}_{x}})}^{0.5}}\,{{({{C}_{y}})}^{0.5}}\,{{({{C}_{z}})}^{0.5}}\]

    C)                 Rate \[=K{{({{C}_{x}})}^{1.5}}\,{{({{C}_{y}})}^{-1}}{{({{C}_{z}})}^{0}}\]

    D)                 Rate \[=K({{C}_{x}})\,{{({{C}_{z}})}^{n}}/{{({{C}_{y}})}^{2}}\]

    Correct Answer: C

    Solution :

                    Order of reaction is sum of the power raised on concentration terms to express rate expression.


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