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NEET Sample Paper NEET Sample Test Paper-84

  • question_answer
    For reaction \[a\,A\to x\,P\], when [A] =2.2 mM, the rate was found to be \[2.4\,\,mM{{s}^{-1}}\]. On reduce concentration of A to half, the rate changes to. The order of reaction with respect to A is:

    A) 1.5       

    B)                    2.0

    C) 2.5       

    D)                    3.0

    Correct Answer: B

    Solution :

    [b] When the concentration of reactant is reduced to half its initial value, the rate is reduced by \[\frac{2.4}{0.6}=4\]times It means, rate \[\propto \,\,{{\text{ }\!\![\!\!\text{ reactant }\!\!]\!\!\text{ }}^{\text{2}}}\] So, order of reaction \[=2\]


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