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

  • question_answer
    The reaction \[2NO(g)+{{O}_{2}}(g)\]⇌\[2N{{O}_{2}}(g)\]is of first order. If volume of reaction vessel is reduced to 1/3, the rate of reaction would be                                            [MP PMT 2001]

    A)                 1/3 times            

    B)                 2/3 times

    C)                 3 times 

    D)                 6 times

    Correct Answer: C

    Solution :

            For following reaction,\[2N{{O}_{(g)}}+{{O}_{2}}(g)\to 2N{{O}_{2}}(g)\]                    When the volume of vessel change into \[\frac{1}{3}\] then concentration of reactant become three times.                                         The rate of reaction for first order reaction \[\propto \] concentration. So rate of reaction will increases three times.


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