GKFix MCQ Question

Why should reaction (b) O₃ + H₂O₂ → H₂O + 2O₂ be written as O₃ + H₂O₂ → H₂O + O₂ + O₂?

• A. To make the equation longer
• B. To indicate that two O₂ molecules come from different sources
• C. To show gas evolution
• D. To satisfy stoichiometry