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ICSE Class 10 Answered

Please explain Ostwald's process 
Asked by 21janhvi.verma | 23 Sep, 2018, 08:21: PM
answered-by-expert Expert Answer
Ostwalds process is used for manufacturing Nitric Acid.
 
In the first stage ammonia and oxygen react (with platinum-rhodium as a catalyst), whereby the nitrogen monoxide and water emerge
 
4NH3 + 5O2  4NO + 6H2O
 

In the second stage nitrogen monoxide reacts with oxygen whereby nitrogen dioxide emerges

4NO + 2O2  4NO2
 

and in the third stage nitrogen dioxide dissolves in water, in the presence of air, giving the nitric acid

4NO2 + 2H2O + O2  4HNO3


Answered by Sumit Chakrapani | 23 Sep, 2018, 11:41: PM
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