Question 13. Which of the following graph represents exothermic reaction? (i) Activated complex (ii) Activated complex Energy Energy → Reactants Products Reactants coordinate → Activated complex Products Reactants Reactants coordinate → (iii) Energy Reactants Products Reactants coordinate → (a) (i) only (b) (ii) only (c) (iii) only (d) both (i) and (ii)