Question

give reaction between NO2 and H20.

Answer 1

1-3NO2+ H2O reacts to form 2 HNO3+NO
2- 2 NO2+H2Oreacts to form HNO3 + HNO2

Answer 2

3 NO2 + H2O → 2 HNO3 + NO

this reaction is used in Oswalds process of manufacture of nitric acid
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