Chlorine And Bleaching
The bleaching action of chlorine in moist conditions is mainly due to:
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About This Question
- Subject
- chemistry
- Chapter
- p-block elements
- Topic
- chlorine and bleaching
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
formation of HOCl that releases nascent oxygen for oxidation
When chlorine dissolves in water, it forms HCl and HOCl. Hypochlorous acid is unstable and effectively provides oxidizing species that destroy the chromophoric groups in colored substances. Hence bleaching by chlorine is oxidative and requires moisture.
This medium difficulty chemistry question is from the chapter p-block elements, covering the topic of chlorine and bleaching. It appeared in the 2025 exam.
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