CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2007

  • question_answer
    Which one of the following is a second order reaction?

    A)  \[{{H}_{2}}+B{{r}_{2}}\xrightarrow{{}}2HBr\]

    B)  \[N{{H}_{4}}N{{O}_{3}}\xrightarrow{{}}{{N}_{2}}+3{{H}_{2}}O\]

    C)  \[{{H}_{2}}+C{{l}_{2}}\xrightarrow{sunlight}2HCl\]

    D)  \[C{{H}_{3}}COOCH+NaOH\xrightarrow{{}}C{{H}_{3}}COONa\]\[+{{H}_{2}}0\]

    Correct Answer: D

    Solution :

    The reaction is said to be of second order if its reaction rate is determined by the variation of two concentration terms of reactants. \[C{{H}_{3}}COOC{{H}_{3}}+NaOH\xrightarrow{{}}C{{H}_{3}}COONa\]\[+{{H}_{2}}O\]is an example of second order reaction.


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