Definition of nitrous acid in English:

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nitrous acid

Pronunciation: /ˈnītrəs ˈasəd/

noun

Chemistry
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.
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.

For editors and proofreaders

Syllabification: ni·trous ac·id

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