Chemistry 0620 · IGCSE · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

Which statement best describes an exothermic reaction?

  • AThe energy absorbed for bond breaking is greater than the energy released by bond formation.
  • BThe energy absorbed for bond breaking is less than the energy released by bond formation.
  • CThe energy released by bond breaking is greater than the energy absorbed for bond formation.
  • DThe energy released by bond breaking is less than the energy absorbed for bond formation.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI