Which of the following is formed by the action of chlorine on dry slaked time ?
Bleaching powder
The correct answer is Option 3 i.e. Bleaching powder.
Bleaching powder is formed when chlorine gas reacts with dry slaked lime, which is chemically known as calcium hydroxide (Ca(OH)₂). This is an industrial method used for the production of bleaching powder.
The chemical reaction:
Ca(OH)2 + Cl2 → CaOCl2 + H2O
Here, CaOCl₂ is bleaching powder (calcium oxychloride), and water is released as a by-product.
Other options explained:
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Calcium oxide: This is also known as quick lime, not produced in this reaction.
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Calcium chloride: Formed when calcium compounds react with hydrochloric acid, not with chlorine gas.
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Hydrochloric acid: This is HCl, not a product of this reaction.
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