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Manipal MET2015ChemistryChemical Kinetics

N ₂+3 H ₂ 2 NH ₃ ;+22 kcal The activation energy for the forward reaction is 50 kcal . What is the activation energy for the backword reaction?

Options

  1. A-72 kcal
  2. B-28 kcal
  3. C+28 kcal
  4. D+72 kcal

Correct answer

D. +72 kcal

Step-by-step solution

N ₂(g)+3 H ₂(g) 2 NH ₃(g) ;+22 kcal The activation energy for the forward reaction =50 kcal The activation energy for the backward reaction =50+22=72 kcal

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