Nitrogen acid

Nitrogen acid may refer to:

Nitric acid, HNO3 Nitrous acid, HNO2 Hyponitrous acid, H2N2O2 or the less common nitrogen species:

Nitroxyl, HNO Nitroxylic acid, H4N2O4 Peroxynitrous acid, HOONO Peroxynitric acid, HOONO2