KVPY Sample Paper KVPY Stream-SX Model Paper-29

  • question_answer
    The following mechanism has been proposed for the exothermic catalyzed complex reaction
    If \[{{k}_{1}}\], is much smaller than \[{{\operatorname{k}}_{2}}\] the most suitable qualitative plot of potential energy (P. E.) versus reaction co-ordinate (R.C.) for the above reaction





    Correct Answer: B

    Solution :

    \[A+B\operatorname{IAB};\] So \[{{E}_{a}}(f)\]is high and fast
    \[{{\operatorname{E}}_{a}}\][b] is low.\[{{k}_{1}}<<{{k}_{2}};\] So, \[{{\operatorname{E}}_{a}}\]for this step is very high and for next step is low and overall reaction is exothermic.

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