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Nitrous acid

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Nitrous acid

Molecular formula: HNO2 CAS# 7782-77-6
Categories: Inorganic acids
PubChem CID: 24529 | ChemSpider ID: 22936 | CHEBI:25567 | CHEMBL1161681
Names
English:
Hydroxidooxidonitrogen(IUPAC)
Nitrous acid(IUPAC) [Wiki]
Русский:
Азотистая кислота(IUPAC) [Wiki]
German:
Hydrogennitrit
Salpetrige Säure(IUPAC) [Wiki]
Stickstoff(III)-säure
Español:
Espíritu de nitro
Espíritu de salitre
Nitrato (III) de hidrógeno
Nitrito de hidrógeno
Stickstoff (III)-säure
Ácido azotoso
Ácido de Chile
Ácido de nitro
Ácido de salitre
Ácido dioxonítrico (III)(IUPAC)
Ácido nitroso [Wiki]
French:
Acide nitreux(IUPAC) [Wiki]
nitrite d'hydrogène(IUPAC)
Italiano:
Acido nitroso [Wiki]
acido diossonitrico(IUPAC)
日本語:
亜硝酸 [Wiki]
中文:
亚硝酸 [Wiki]

Variants of the formula:

HNO2
H/$dots(LuTRu)O\$dots(B)N//$dots(TBrRb)O
O//$dashes(-)N\O/H
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Nitrous acid is involved

  • H{R} <=> H^+ + {R}^- , where R = F Cl Br I NO3 NO2
  • 2HNO2 -> NO2 + NO + H2O
  • N2O3 + H2O -> 2HNO2
  • HN(CH3)2 + HNO2 -> ONN(CH3)2 + H2O
  • NOCl + H2O -> HNO2 + HCl