Question:
Which among the following is a powerful bleaching and oxidising agent?
Which among the following is a powerful bleaching and oxidising agent?
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Oxidative bleaching is generally permanent, unlike reductive bleaching.
Updated On: Jan 26, 2026
- \(\text{Cl}_2\)
- \(\text{SO}_2\)
- \(\text{HI}\)
- \(\text{PH}_3\)
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The Correct Option is A
Solution and Explanation
Step 1: Understand bleaching action.
Bleaching agents remove colour by oxidation or reduction of coloured substances.
Step 2: Nature of chlorine.
Chlorine is a strong oxidising agent and bleaches by oxidation in the presence of moisture.
Step 3: Eliminate other options.
\(\text{SO}_2\) bleaches by reduction, while \(\text{HI}\) and \(\text{PH}_3\) are reducing agents.
Step 4: Conclusion.
Thus, chlorine is a powerful bleaching and oxidising agent.
Bleaching agents remove colour by oxidation or reduction of coloured substances.
Step 2: Nature of chlorine.
Chlorine is a strong oxidising agent and bleaches by oxidation in the presence of moisture.
Step 3: Eliminate other options.
\(\text{SO}_2\) bleaches by reduction, while \(\text{HI}\) and \(\text{PH}_3\) are reducing agents.
Step 4: Conclusion.
Thus, chlorine is a powerful bleaching and oxidising agent.
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