Oxides of nitrogen

March 25, 2018

S.N	Name	Oxidation number of N	Physical appearance	Uses
1.	Nitrous oxide (N₂O)/laughing gas	+1	colourless gas neutral non-irritating sweet smelling	1. used as local anaethesia and analgesics for small surgical operation. 2. fuel additive in car racing 3. helps in dispensing fatty liquids like oil and heavy cream.
2.	Nitric oxide (NO)	+2	colourless gas neutral Water insoluble	1. in the manufacture of nitric acid. 2. treats respiratory failure in premature babies. 3.dilation of blood vessel and decrease in blood pressure
3.	Dinitrogen trioxide (N₂O₃)	+3	Bluish liquid, reddish brown when gas. Acidic. Unpleasant odour. Unstable at room temperature.	1. In the preparation of nitric acids. 2. forms nitrites with alkali. 3. special purpose fuel.
4.	Nitrogen dioxide (NO₂)	+4	Brown gas. Acidic.	1. in manufacture of nitric acid and nitrogenous fertilizers. 2. rocket fuel 3. flour bleaching agent. 4. increasing the wet strength of paper.
5.	Dinitrogen tetroxide (N₂O₄)	+4	Colourless gas. Acidic. Unpleasant odour.	1. powerful oxidant.
6.	Dinitrogen pentoxide (N₂O₅)	+5	Colourless gas. Acidic.	1. anhydride of nitric acid 2. can also be used as oxidizing or dehydrating agent.