Identify the correct chemical reaction involved in bleaching powder preparation.

Question

Identify the correct chemical reaction involved in bleaching powder preparation. — Exam MCQ

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C. Ca(OH)2 + Cl2 → CaOCl2 + H2O — The correct chemical reaction for the preparation of bleaching powder is Ca(OH)2 + Cl2 → CaOCl2 + H2O. This reaction involves the chlorination of calcium hydroxide, resulting in the formation of calcium hypochlorite (bleaching powder) and water. Bleaching powder is commonly used for disinfecting water and bleaching fabrics.

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A. NaCl + H2O + CO2 + NH3 → NH4Cl + NaHCO3

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B. 2NaCl(aq) + 2H2O(l) → 2NaOH(aq) + Cl2(g) + H2(g)

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D. NaHCO3 + H+ → CO2 + H2O + Sodium salt of acid

Identify the correct chemical reaction involved in bleaching powder preparation.

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