NEET Sample Paper NEET Sample Test Paper-2

  • question_answer
    The rate of reaction for the reaction \[2A+B\xrightarrow{{}}C\] is found to be, rate \[=K[A]\,[B]\].The correct statement in relation to this reaction is that the

    A)  unit of K must be \[{{S}^{-1}}\]

    B)  \[{{t}_{1/2}}\propto \frac{1}{a}\]

    C)  rate of formation of C is twice the rate of disappearance of A.

    D)  None of the above

    Correct Answer: B

    Solution :

    Rate  \[=k\,[A]\,[B]\] Order of reaction \[=1+1=2\] Unit of \[k=mo{{l}^{-1}}\,L{{S}^{-1}}\] Rate of formation of C is half of the rate of disappearance of A. \[{{t}_{{\scriptstyle{}^{1}/{}_{2}}}}\,\alpha \frac{1}{a}\]


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