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How is nitric acid prepared by ostwald process?

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Dear Student When a mixture of ammonia and air is passed through a catalytic chamber containing electrically heated Platinum Gauze, nitric oxide(NO) is formed.This nitric oxide combines with more oxygen to form nitrogen dioxide (NO2). This gas is then absorbed by water to form nitric acid. The reaction is as follows:1. 4NH3+5O2500 K, 9 barPt/Rh gauge4NO+6H2O2. 2NO+O22NO23. 4NO2+2H2O+O24HNO3Regards

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