JEE Main & Advanced Chemistry Chemical Kinetics / रासायनिक बलगतिकी Sample Paper Topic Test - Chemical Kinetics

  • question_answer
    In a gaseous phase reaction,
    the increase in pressure from 100 mm to 120 mm is noticed in 5 min. The rate of disappearance of \[{{A}_{2}}\] in mm \[{{\min }^{-1}}\] is

    A) 4                                 

    B) 8   

    C) 16                                

    D) 2

    Correct Answer: B

    Solution :

    \[\frac{d\,[C]}{dt}=2\,\frac{120-100}{5}=4\,\,mm\,\,{{\min }^{-1}}\]
    \[\therefore \]      \[\frac{d\,[{{A}_{2}}]}{dt}=2\times 4\]
    \[=8\,\,mm\,{{\min }^{-1}}\]

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