Nivedha posted an Question
January 26, 2021 • 19:53 pm 30 points
  • CSIR NET
  • Chemical Sciences

Consider an exothermic reaction. a k i as the temperature increases (a) k,.k increases and k,/k_ decrease (b) k, increases, k_, decreases and k,/kincreases (c)

Consider an exothermic reaction. A k I As the temperature increases (a) k,.k increases and k,/k_ decrease (b) k, increases, k_, decreases and k,/kincreases (c) k,. k, and k, /k decreases (d) k, and k_ decreases and k,k, increases aation afan intermediate B ina unimolecular reaction

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  • Amol ashok pawar

    As it is exothermic reaction OPTION B is the correct answer As k1 increases k-1 decreases and their ratio increase

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    Priyanshu kumar Best Answer

    Option A is correct as the forward reaction is exothermic so by increasing temperature the reaction shift backward means concn of reactant increases,means more product favoured so rate constant of forward reaction increases .... Similarly as the forward reaction is exothermic so the backward reaction must be endothermic...so again by increasing temp the reaction shift towards product side,means more reactant favoured...so rate constant of backward reaction increases

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    Here Lechatilier principle is applied..

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    please ask if any doubt

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