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Sulphur dioxide can be used as:...

Sulphur dioxide can be used as:

A

bleaching agennt

B

antichlor

C

disinfectant

D

none of these

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Uses of Sulphur Dioxide:** Sulphur dioxide (SO2) has multiple applications in various fields. The question asks for its uses, which include being a bleaching agent, anti-chlor, and disinfectant. 2. **Bleaching Agent:** - Sulphur dioxide is used as a bleaching agent. This is due to its ability to reduce colored compounds. - When SO2 is added to water, it forms sulfurous acid (H2SO3). - This acid can release H+ ions and bisulfite ions (SO3^2-), which can interact with colored substances. - The reduction process involves the removal of oxygen from the colored compounds, making them colorless. 3. **Anti-Chlor:** - SO2 acts as an anti-chlor by removing chlorine from substances. - This property is useful in various chemical processes where chlorine needs to be neutralized. 4. **Disinfectant:** - Sulphur dioxide also serves as a disinfectant. - It has the ability to kill or inhibit the growth of microorganisms, making it useful in sanitation and preservation. 5. **Conclusion:** - Therefore, sulphur dioxide can be classified as a bleaching agent, anti-chlor, and disinfectant. All three options are correct. **Final Answer:** Sulphur dioxide can be used as a bleaching agent, anti-chlor, and disinfectant. ---
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