One gas bleaches the colour of flowers by reduction, while the other by oxidation, the two gases res — p Block Elements Chemistry Question
Question
One gas bleaches the colour of flowers by reduction, while the other by oxidation, the two gases respectively are:
Answer: D
💡 Solution & Explanation
Aqueous solution of SO2 acts as a reducing agent. SO2 in presence of moisture is used as bleaching agent. This is due to the reducing nature of SO2. Similarly, Cl2 acts as bleaching agent in presence of moisture (by oxidation).
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