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JEE Main & Advanced Chemistry Chemical Kinetics / रासायनिक बलगतिकी Question Bank Rate law and Rate Constant

  • question_answer
    For a reaction \[2NO(g)+C{{l}_{2}}(g)\]⇌\[\,2NOCl(g)\]. When concentration of \[C{{l}_{2}}\] is doubled, the rate of reaction becomes two times of the original. When the concentration of NO is doubled the rate becomes four times. What is the order of the reaction                                              [MP PMT 2000]

    A)                 1             

    B)                 2

    C)                 3             

    D)                 4

    Correct Answer: C

    Solution :

               \[2N{{O}_{(g)}}+C{{l}_{2(g)}}\to 2NOC{{l}_{(g)}}\]                                 Rate = \[K{{[NO]}^{2}}{{[C{{l}_{2}}]}^{1}},\,\,\therefore O.R.=2+1=3\]


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