Chemistry 5070 · O Level · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

The energy profile diagram for the forward direction of a reversible reaction is shown. For the reverse reaction, which row correctly gives the sign of the activation energy and the kind of enthalpy change?

  • Anegative, endothermic
  • Bnegative, exothermic
  • Cpositive, endothermic
  • Dpositive, exothermic

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