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

  • question_answer
    Which one of the following is wrongly matched [KCET 2004]

    A)                 Saponification of\[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]? Second order reaction

    B)                 Hydrolysis of \[C{{H}_{3}}COOC{{H}_{3}}\]? Pseudo uni-molecular reaction

    C)                 Decomposition of \[{{H}_{2}}{{O}_{2}}\] ? First order reaction

    D)                 Combination of \[{{H}_{2}}\]and \[B{{r}_{2}}\] to give \[HBr\] ? Zero order reaction

    Correct Answer: D

    Solution :

               \[{{H}_{2}}+B{{r}_{2}}\] ⇌ \[2HBr\] is a 1.5 order reaction                                 i.e.,  \[K=[{{H}_{2}}]{{[B{{r}_{2}}]}^{1/2}}\].


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