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NEET Chemistry Chemical Kinetics / रासायनिक बलगतिकी Question Bank Self Evaluation Test - Chemical Kinetics

  • question_answer
    The rate law for the reaction \[2X+Y\to Z\] is Rate \[=k\left[ X \right]\left[ Y \right].\] The correct statement with regard to this relation is    

    A) the unit of k is \[{{s}^{-1}}\]

    B) the rate of the reaction is independent of [X] and [Y]

    C) for this reaction \[{{t}_{1/2}}\] is independent of initial concentrations of reactant

    D) the rate of formation of Z is half of the rate of disappearance of X

    Correct Answer: D

    Solution :

    [d] The given reaction is: \[2X+Y\xrightarrow{{}}Z\] \[-\frac{d[X]}{2dt}=\frac{d[Z]}{dt}\] \[\therefore \] Rate of formation of Z is half of the rate of disappearance of X.


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