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  4. What is the catalyst used for oxidation of SO2 to SO3 in lead chamber process for manufacture of sulphuric acid?

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Q. What is the catalyst used for oxidation of $SO_{2}$ to $SO_{3}$ in lead chamber process for manufacture of sulphuric acid?

NTA AbhyasNTA Abhyas 2022

Solution:

Lead chamber process
$2SO_{2}\left(\right.g\left.\right)+O_{2}\left(\right.g\left.\right)\overset{N O \left(\right. g \left.\right)}{ \rightarrow }2SO_{3}\left(\right.g\left.\right)$