Social & Preventive Medicine The disinfectant action of chlorine is MOSTLY due to which of the following forms? A Hypochlorous acid B Hypochlorite ion C Hydrochloric acid D Both Hypochlorous acid and Hypochlorite ion 💡 Explanation The disinfectant action of chlorine is MOSTLY due to which of the following forms? ✓ Correct Answer: A. Hypochlorous acid