Definition of nitrous acid in English:

nitrous acid

Syllabification: ni·trous ac·id


  • An unstable and weak acid, existing only in solution and in the gas phase, made by the action of acids on nitrites.
    • Chemical formula: HNO2
    More example sentences
    • Secondary amines react with nitrous acid to give nitroso compounds, pale yellow oils that are insoluble in water.
    • Some substances are capable of acting either as reductants or as oxidants, e.g., hydrogen peroxide and nitrous acid.
    • Nitrite ions also present a more acute toxicity toward the photosynthetic apparatus especially in their acid form, nitrous acid, which can diffuse freely across membranes.

More definitions of nitrous acid

Definition of nitrous acid in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tortie
Pronunciation: ˈtôrtē
a tortoiseshell cat