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Payal posted an Question
February 07, 2021 • 03:03 am 30 points
  • IIT JAM
  • Chemistry (CY)

07. in a certan reaction, ten percentage of the reactant is consumed in 15 miutes at 310 k but only in 5 minutes at 330k. the activation energy of the reaction

07. In a certan reaction, ten percentage of the reactant is consumed in 15 miutes at 310 K but only in 5 minutes at 330K. The activation energy of the reaction (keal mol ) is a) 30.2 b) 5.6 c)11.2 d) 50.5

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    Dinesh khalmaniya 1 best-answer

    check similar question with solution https://www.sarthaks.com/195186/a-first-order-reaction-is-50-completed-in-40-minutes-at-300-k-and-in-20-minutes-at-320-k

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    Priyanshu kumar Best Answer

    First find k1 and k2 using the formula K=2.303/t log [Ao]/[A]. then putting the value in below formula you will get the answer Solve this

    cropped6288338096757740852.jpg
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    It is not mentioned that the reaction is 1st order

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    then why this formula is used

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    for general you have to considered the reaction as first order..as generally it is used for first order reaction

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    ok

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    sir since the answer expected in kcal per mol. The R value must be 1.99. is that so sir?

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