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Bleaching powder is obtained by treating Cl₂ with
  • a)
    CaO
  • b)
    CaCO₃
  • c)
    CaOCl₂
  • d)
    Ca(OH)₂
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Bleaching powder is obtained by treating Cl₂ witha)CaOb)CaCO₃c)CaOCl₂d...
Bleaching powder is also called as chloride of lime. Calcium hypochlorite is a compound with formula Ca(Clo) 2.As a mixture with lime and Clacium chloride. The action of chlorine on dry slaked lime Ca(OH) 2 at 400 degrees temperature. Bleaching powder is prepared by passing chlorine gas over slaked lime.
So option " D " is correct answer.
Free Test
Community Answer
Bleaching powder is obtained by treating Cl₂ witha)CaOb)CaCO₃c)CaOCl₂d...


Ca(OH)₂ is used to obtain bleaching powder by treating Cl₂.


- Formation of Bleaching Powder:
Bleaching powder is produced by passing chlorine gas over dry slaked lime (Ca(OH)₂).

- Reaction:
Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O

- Role of Ca(OH)₂:
Calcium hydroxide reacts with chlorine gas to form calcium hypochlorite (CaOCl₂), which is commonly known as bleaching powder.

- Key Point:
The chlorine gas oxidizes the calcium hydroxide to form the bleaching powder.

- Importance of Ca(OH)₂:
Calcium hydroxide is crucial in the production of bleaching powder as it provides the necessary calcium ions for the reaction with chlorine gas.

Therefore, the correct option is Ca(OH)₂ when treating Cl₂ to obtain bleaching powder.
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Bleaching powder is obtained by treating Cl₂ witha)CaOb)CaCO₃c)CaOCl₂d)Ca(OH)₂Correct answer is option 'D'. Can you explain this answer?
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