Question
Download Solution PDFWhat is the nature of bleaching powder?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFBleaching powder by its nature is an Oxidising agent.
- Stable bleaching powder is widely used as a disinfectant in water purification, as well as in the textile and pulp and paper industries.
- "Bleaching powder" is made by the action of chloride gas on calcium hydroxide.
- The reaction being essentially:
- 2Ca (OH)2 + 2Cl2 → Ca(OCl)2 + CaCl2 + 2H2O.
- In the production of bleaching powder, slaked lime spread on the floors of large rectangular chambers of lead or concrete is exposed to chlorine gas.
- Bleaching powder, a solid combination of chlorine and slaked lime, was introduced in 1799 by Scottish chemist Charles Tennant.
Last updated on Jun 7, 2025
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