Question:
Which from following catalysts is used in contact process of industrial production of sulfuric acid using \(\text{SO}_2\) and \(\text{O}_2\) (air).
Which from following catalysts is used in contact process of industrial production of sulfuric acid using \(\text{SO}_2\) and \(\text{O}_2\) (air).
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The contact process oxidises SO\(_2\) to SO\(_3\) over a catalyst of platinised asbestos or V\(_2\)O\(_5\).
Updated On: Oct 1, 2026
- Ni (finely divided)
- Platinised asbestos
- Co-Th
- Fe-Cr
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
The contact process makes sulphuric acid. The key step is \(2\text{SO}_2 + \text{O}_2 \rightleftharpoons 2\text{SO}_3\) on a solid catalyst.
Step 2: Detailed Explanation
Among the options, platinised asbestos is the catalyst used for this step (V\(_2\)O\(_5\) is the other common one).
Finely divided nickel is used in hydrogenation. Co-Th is used in Fischer-Tropsch type synthesis. Fe-Cr is used for the water gas shift reaction.
Final Answer:
The catalyst is platinised asbestos, option (B). \[ \boxed{\text{Platinised asbestos (B)}} \]
The contact process makes sulphuric acid. The key step is \(2\text{SO}_2 + \text{O}_2 \rightleftharpoons 2\text{SO}_3\) on a solid catalyst.
Step 2: Detailed Explanation
Among the options, platinised asbestos is the catalyst used for this step (V\(_2\)O\(_5\) is the other common one).
Finely divided nickel is used in hydrogenation. Co-Th is used in Fischer-Tropsch type synthesis. Fe-Cr is used for the water gas shift reaction.
Final Answer:
The catalyst is platinised asbestos, option (B). \[ \boxed{\text{Platinised asbestos (B)}} \]
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