Social & Preventive Medicine The disinfecting action of chlorine during chlorination is mainly due to the action of: September 2011 A Hydrochloric acid B Hypochloric acid C Hypochlorous acid D Hydrochlorous acid 💡 Explanation The disinfecting action of chlorine during chlorination is mainly due to the action of: September 2011 ✓ Correct Answer: C. Hypochlorous acid