The catalyst used in the lead chamber process of sulphuric acid manufacture is

Platinum

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Oxide of nitrogen

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Nickel

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Vanadium compounds

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Solution

The correct option is C Oxide of nitrogen
The process of producing sulphuric acid by oxidising sulphur dioxide with moist air, using gaseous nitrogen oxides as catalysts, is known as Lead chamber process. This reaction takes place primarily in a series of large, box-like chambers of sheet lead.

$2 S O_{2} + O_{2} N O \to 2 S O_{3}$

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