![]() ![]() Hydrogen has an electronic configuration of 1s 1. Therefore, the lone Nitrogen atom contributes 5 x 1 = 5 valence electrons. Nitrogen is in group 5 of the periodic table with the electronic configuration 1s 2 2s 2 2p 3. Nitrous acid comprises two Oxygen atoms, one Hydrogen atom, and one nitrogen atom. We can use these electrons to form the Lewis structure for Nitrous Acid. It has the following properties: Name of the moleculeĮach atom in the molecule contributes valence electrons from their outermost shells. It also reacts with aliphatic alcohols to produce alkyl nitrites which act potently to counteract Vasoconstriction. Nitrous acid also finds use as a precursor in the production of Adipic acid, which is a key component in the production of Nylon. This simple synthesis is the crucial step in the production of commercial dyes. HNO 2 reacts with amines to form diazonium salts, which play a vital role in the production of azo dyes. Nitrous acid plays an important role in the production of diazonium salts. It is mainly used as a preservative in the processed meats industry. One of the more prominent Nitrites (salts of Nitrous acid) is NaNO 2 (Sodium Nitrite). Again, due to its unstable nature, it can react as either an oxidizing or reducing agent. Nitrous acid decomposes into Nitric Oxide (NO) and Nitric Acid (HNO 3 ) at elevated temperatures. Its existence in these peculiar states is due to the fact that HNO 2 is unstable and decomposes rapidly in its free form. ![]() It appears to be pale blue as a solution. It is a weak acid and exists only in specific conditions, i.e., in solution (cold and dilute), as a gas, or in the form of nitrite salts. HNO 2 is also known as Dioxonitric(III) acid. The chemical formula HNO 2 represents Nitrous Acid. ![]()
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