Nitrogen oxide

 ( Industrial Gases ) 

Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds:

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Charge-neutral

• Nitric oxide (NO), nitrogen(II) oxide, or nitrogen monoxide
• Nitrogen dioxide (), nitrogen(IV) oxide
• Nitrogen trioxide (), or nitrate radical
• Nitrous oxide (), nitrogen(0,II) oxide
• Dinitrogen dioxide (), nitrogen(II) oxide dimer
• Dinitrogen trioxide (), nitrogen(II,IV) oxide
• Dinitrogen tetroxide (), nitrogen(IV) oxide dimer
• Dinitrogen pentoxide (), nitrogen(V) oxide, or nitronium nitrate
• Nitrosyl azide (), nitrogen(−I,0,I,II) oxide
• Nitryl azide ()
• Oxatetrazole ()
• Trinitramide ( or ), nitrogen(0,IV) oxide

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Anions

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Cations

• Nitrosonium ( or )
• Nitronium ion ( or )

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Atmospheric sciences In atmospheric chemistry:

• NOx (or NO x) refers to the sum of nitric oxide and nitrogen dioxide.United States Clean Air Act,

• NOy (or NO y) refers to the sum of and all oxidized atmospheric odd-nitrogen species ( e.g. the sum of , Nitric acid, Nitrous acid, etc.)
• (or NO z) = −

• Mixed Oxides of Nitrogen ("MON"): solutions of nitric oxide in dinitrogen tetroxide/nitrogen dioxide.

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Stability Due to relatively weak N–O bonding, all nitrogen oxides are unstable with respect to and , which is the principle behind the catalytic converter, and prevents the oxygen and nitrogen in the atmosphere from combusting.

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See also

• Nitrate
• Nitrogen oxide sensor
• , which are valence Isoelectronicity with nitrogen oxides

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