CET Karnataka Medical CET - Karnataka Medical Solved Paper-2004

  • question_answer
    Which one of the following is wrongly matched?

    A)  Saponification of   - second order    \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]    reaction - pseudo

    B)  Hydrolysis of     \[C{{H}_{3}}COOC{{H}_{3}}\]        unimolecular reaction

    C)  Decomposition      - first order reaction of  \[{{H}_{2}}{{O}_{2}}\]           

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

    Correct Answer: D

    Solution :

    Combination of \[{{H}_{2}}\] and \[B{{r}_{2}}\] to give \[HBr\] is a zero order reaction as the rate of reaction  is  not  affected  by  the concentration of reactants. \[{{H}_{2}}+B{{r}_{2}}\xrightarrow{hv}2HBr\]


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