Question:
Red hot iron absorbs \(SO_2\) giving the product.
Red hot iron absorbs \(SO_2\) giving the product.
Show Hint
\(SO_2\) is amphoteric in redox behavior → can both oxidize and reduce.
Updated On: Apr 15, 2026
- FeS + O\(_2\)
- FeO + FeS
- Fe\(_2\)O\(_3\) + FeS
- FeO + S
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The Correct Option is B
Solution and Explanation
Concept:
\(SO_2\) acts as both oxidizing and reducing agent.
Step 1: Reaction. \[ 3Fe + SO_2 \rightarrow 2FeO + FeS \]
Step 2: Explanation.
• Part of iron is oxidized to FeO
• Part combines with sulfur to form FeS
Step 3: Conclusion. Products are FeO and FeS.
Step 1: Reaction. \[ 3Fe + SO_2 \rightarrow 2FeO + FeS \]
Step 2: Explanation.
• Part of iron is oxidized to FeO
• Part combines with sulfur to form FeS
Step 3: Conclusion. Products are FeO and FeS.
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