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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]

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