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KCET2025ChemistryChemical Kinetics

In the given graph, E _ a for the reverse reaction will be

Options

  1. A125 KJ
  2. B215 KJ
  3. C90 KJ
  4. D305 KJ

Correct answer

A. 125 KJ

Step-by-step solution

aligned & H= (E_a )_f- ( E _ a )_ b & 90=215- ( E _ a )_ b & ( E _ a )_ b =215-90=125 KJ aligned

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