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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    Time required for 100 per cent completion of a zero order reaction is

    A)  \[\frac{2k}{a}\]                               

    B)  \[\frac{a}{2k}\]

    C)  \[\frac{a}{k}\]                                  

    D)  \[ak\]

    Correct Answer: C

    Solution :

                    For zero order reactions, \[[A]=-kt+{{[A]}_{0}}\] where,\[{{[A]}_{0}}=\]initial concentration \[=a\] \[[A]=\]remaining concentration\[=a-a=0\] On putting values of\[{{[A]}_{0}}\]and\[[A],\]we get                                 \[t=\frac{a}{k}\]


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