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Question

What is the catalyst used for oxidation of $$SO_2$$ to $$SO_3$$ in lead chamber process for manufacture of sulphuric acid?


A
Nitric oxide
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B
Nitrous oxide
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C
Potassium iodide
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D
Dilute HCl
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Solution

The correct option is A Nitric oxide
Nitric oxide $$(NO)$$ is the catalyst used for oxidation of $$SO_2$$ to $$SO_3$$ in lead chamber process for manufacture of sulphuric acid. The overall reaction can be written as
$$ \displaystyle 2SO_2+O_2+2H_2O \xrightarrow {NO} 2H_2SO_4$$

Chemistry

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