Write the chemical formula of bleaching powder.

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Points to Remember:

  • Bleaching powder is a chemical compound used as a disinfectant and bleaching agent.
  • Its chemical formula is crucial for understanding its properties and applications.
  • The formula reveals the constituent elements and their proportions.

Introduction:

Bleaching powder, formally known as calcium hypochlorite, is a widely used chemical compound with significant applications in various industries. It’s a strong oxidizing agent, and this property is the basis of its bleaching and disinfecting capabilities. Its chemical formula is essential for understanding its chemical behavior and safe handling. Improper use can lead to harmful consequences, highlighting the importance of knowing its precise composition.

Body:

Chemical Formula and Composition:

The chemical formula of bleaching powder is Ca(ClO)₂. This formula indicates that one molecule of bleaching powder consists of one calcium atom (Ca), two chlorine atoms (Cl), and two oxygen atoms (O). The hypochlorite ion (ClO⁻) is responsible for its bleaching and disinfecting properties. The compound is not a pure substance but rather a mixture containing calcium hypochlorite as the main component, along with calcium chloride (CaCl₂) and calcium hydroxide (Ca(OH)₂), depending on the manufacturing process.

Production and Properties:

Bleaching powder is typically manufactured by passing chlorine gas over dry slaked lime (calcium hydroxide, Ca(OH)₂). The reaction is exothermic, generating heat. The resulting product is a pale yellowish-white powder with a strong smell of chlorine. Its solubility in water varies depending on the purity and manufacturing process.

Applications:

Bleaching powder finds extensive use in:

  • Water Treatment: It’s used as a disinfectant to kill bacteria and other microorganisms in water purification plants.
  • Bleaching: It’s used to bleach textiles, paper pulp, and other materials.
  • Disinfection: It’s employed as a disinfectant in sanitation and hygiene practices, particularly in swimming pools and sewage treatment.
  • Industrial Applications: It finds use in various industrial processes, including the manufacture of certain chemicals.

Safety Precautions:

Bleaching powder is a strong oxidizing agent and should be handled with care. Direct contact with skin or eyes can cause irritation and burns. Inhalation of its dust can be harmful to the respiratory system. It should be stored in a cool, dry place away from flammable materials.

Conclusion:

In summary, the chemical formula of bleaching powder is Ca(ClO)₂. Understanding this formula is crucial for comprehending its properties, applications, and safe handling. While it offers significant benefits in various sectors, including water purification and disinfection, its use requires careful attention to safety protocols. Future research could focus on developing more environmentally friendly and efficient alternatives to bleaching powder while maintaining its effectiveness in crucial applications. This will ensure a sustainable approach to sanitation and industrial processes, aligning with principles of holistic development and environmental protection.

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