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NEET Chemistry NEET PYQ-Chemical Kinetics

  • question_answer
    \[3A\xrightarrow{{}}2B,\] rate of reaction \[+\frac{d[B]}{dt}\] is equal to: [AIPMT 2002]

    A) \[-\frac{3}{2}\frac{d[A]}{dt}\]

    B) \[-\frac{2}{3}\frac{d[A]}{dt}\]

    C) \[-\frac{1}{3}\frac{d[A]}{dt}\]

    D) \[+2\frac{d\,[A]}{dt}\]

    Correct Answer: B

    Solution :

    [b] For reaction,
                            \[3A\xrightarrow[{}]{{}}2B\]
                            \[Rate\,=\,-\frac{1}{3}\,\frac{d[A]}{dt}=+\frac{1}{2}\frac{d\,[B]}{dt}\]
                \[\therefore \]      \[+\frac{d[B]}{dt}=-\frac{2}{3}\frac{d[A]}{dt}\]


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