What is the common name of Calcium Hypochlorite?
Last updated Jun 23, 2026
Correct Answer:
Option B —
Bleaching powder
Calcium Hypochlorite is an inorganic compound with the chemical formula Ca(OCl)_{2}. It is widely used for water treatment and as a bleaching agent. Chemical Profile of Bleaching Powder Production: It is manufactured by the action of chlorine gas on dry slaked lime:Ca(OH)_{2} + Cl_{2} \rightarrow CaOCl_{2} + H_{2}O Active Ingredient: While "bleaching powder" is technically a mixture, Calcium Hypochlorite is its main active ingredient. It is more stable and contains more available chlorine than sodium hypochlorite (liquid bleach). Odour: It has a strong, pungent smell of chlorine because it slowly reacts with moisture and carbon dioxide in the air to release chlorine gas.
Primary Uses: * Disinfecting drinking water and swimming pools. Bleaching cotton and linen in the textile industry.
Oxidizing agent in many chemical industries.
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.
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