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Question
Which catalyst is used to produce sulphur trioxide from sulphur dioxide in contact process?
Which catalyst is used to produce sulphur trioxide from sulphur dioxide in contact process?
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Solution
The correct option is A Vanadium pentaoxide
In the contact process, the use of vanadium pentoxide as a catalyst enables low temperatures to be used in the reaction vessel while maintaining a very high rate of reaction. Contact process, a modern industrial method of producing sulfuric acid; it has largely replaced the chamber, or lead-chamber, process. Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which in turn combines with water to make sulfuric acid.
Vanadium pentaoxide
In the contact process, the use of vanadium pentoxide as a catalyst enables low temperatures to be used in the reaction vessel while maintaining a very high rate of reaction. Contact process, a modern industrial method of producing sulfuric acid; it has largely replaced the chamber, or lead-chamber, process. Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which in turn combines with water to make sulfuric acid.
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