Exhibition
ENOCHLOR
07
2025
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11
Frequently Asked Questions about Calcium Hypochlorite
What are the advantages and disadvantages of using calcium hypochlorite?
1. What are the advantages and disadvantages of using calcium hypochlorite?
A) The key advantages and disadvantages of using calcium hypochlorite are
Advantages:
- It is easy for transport and storage purposes.
- You can store it for a long time.
- Its simple and efficient use makes it preferable to other chlorine water treatment compounds.
- It is a cost-effective chemical and easily available.
Disadvantages:
- It might cause blockage.
- It needs proper storage. Leakage of even a small amount can cause violent results.
- It has low solubility.
- Exposure to fire may lead to a sharp increase in the fire’s intensity.
- The final chlorine concentration in water depends on the dissolution extent achieved.
2) Why should we store calcium hypochlorite in a dry place?
A) It must be stored in a dry, well-aerated area below 50ºC, isolated from acids, amines, ammonia, and other chlorinating or oxidising agents. As these compounds are highly flammable when exposed and it acts as an oxidising agent, it is stored in a dry place.
3) What is the function of calcium hypochlorite?
A) It is a bleaching agent. It can produce chlorine which acts as an oxidising agent. That is why calcium hypochlorite or bleaching powder is used as a cleansing agent and disinfectant.
4) What is the difference between calcium hypochlorite and bleaching powder?
A) It is an inorganic compound with the formula Ca(OCl)₂. This compound is relatively stable and has greater available chlorine than the bleaching solution. It’s not highly soluble in water and is preferably used in soft to medium hard water.
Bleaching powder combines calcium chloride, calcium hypochlorite, and calcium hydroxide. It’s a mixture consisting chiefly of dibasic calcium hypochlorite Ca₃(OCl)₂(OH)₄, calcium hypochlorite Ca(OCl)₂, and dibasic calcium chloride Ca₃Cl₂(OH)₄. It is formed from slightly moist slaked lime.
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2023-04-23
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