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During the manufacture of sulphuric acid the catalyst used in the conversion of SO_{2} to SO_{3} by the reaction with oxygen is:

Option: 1

Zn-Hg


Option: 2

\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}
 


Option: 3

\mathrm{V}_2 \mathrm{O}_5


Option: 4

{Pt} / \mathrm{Pd}


Answers (1)

Sulphuric acid is one of the most important industrial chemical.It is manufactured by the contact process in which burning of sulphur or sulphide ores in air to generate SO_{2} and then the conversion of SO_{2} to SO_{3} by the reaction with oxygen in the presence of a catalyst V_{2}O_{5}.

Posted by

Ramraj Saini

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