Question:
What is formed when chlorine gas is passed through slaked lime?
What is formed when chlorine gas is passed through slaked lime?
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Bleaching powder is widely used for bleaching and disinfection due to its oxidizing properties.
Updated On: May 17, 2025
- Mohr's salt
- Zinc
- Plaster of Paris
- Bleaching powder
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The Correct Option is D
Solution and Explanation
When chlorine gas is passed through slaked lime (Ca(OH)$_2$), it reacts to form bleaching powder (Ca(OCl)$_2$). This is a common reaction used in the production of bleaching powder.
The chemical reaction is:
\[
\text{Ca(OH)}_2 + \text{Cl}_2 \rightarrow \text{Ca(OCl)}_2 + \text{H}_2\text{O}
\]
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