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Question
Write an equation for the following:
Catalytic oxidation of ammonia
- Name the catalyst used in the above equation.
- In the reaction referred to in the above equation, the catalyst glows red hot. Why?
- What is the name of the industrial process which starts with the reaction referred to in the above equation?
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Solution
\[\ce{4NH3 + 5O2 ->[Platinum 800^\circ C] 6H2O + 4NO}\]
- The catalyst used is platinum or platinum-rhodium gauze.
- The catalyst glows red hot because ammonia oxidation is highly exothermic and releases a large amount of heat.
- The industrial process that begins with this reaction is the Ostwald process, used to manufacture nitric acid.
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