Chemistry 5070 · O Level · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

The diagram illustrates the energy profile for a reaction. Which statements about this reaction are correct?

  • A1, 2 and 3
  • B1 and 2 only
  • C2, 3 and 4
  • D3 and 4 only

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