
Sulfurous acid - Wikipedia
Sulfurous (IV) acid (United Kingdom spelling: sulphurous (IV) acid), also known as sulfinic (UK: sulphinic) acid and thionic acid, [citation needed] is the chemical compound with the formula …
Sulfurous Acid - GeeksforGeeks
Jul 23, 2025 · Sulfurous Acid is a colorless, weak inorganic acid with a pungent burning sulfur smell. The chemical formula of Sulfurous Acid is H2SO3. It is corrosive to metals and tissues. …
Sulfurous Acid - Chemistry Learner
Sulfurous Acid is a chemical compound which has a formula H 2 SO 3, and is a weak and unstable acid, formed when sulfur dioxide dissolves in water. The facts that sulfur dioxide …
Sulfurous Acid Formula: Structure, Properties, Uses, Reactions
Sep 29, 2023 · The basics of sulfurous acid formula (H2SO3). Sulphurous acid has the formula, with two hydrogen atoms, three oxygen atoms, and one sulfur atom in the molecule. Find out …
What is Sulphurous Acid? - BYJU'S
H 2 SO 3 is a chemical compound with yhe chemical name Sulphurous Acid. Sulphurous acid is also called Sulphur dioxide solution or dihydrogen trioxosulphate or trioxosulphuric acid. It is …
Sulfurous acid | chemical compound | Britannica
When sulfur dioxide is dissolved in water, an acidic solution results. This has long been loosely called a sulfurous acid, H 2 SO 3, solution. However, pure anhydrous sulfurous acid has never …
Sulfurous Acid: Properties, Reactions, and Industrial Uses
Mar 3, 2025 · Sulfurous acid (H₂SO₃) is a weak and unstable acid that primarily exists in aqueous solutions. It is formed when sulfur dioxide (SO₂) dissolves in water and plays a significant role …
SULFUROUS ACID | CAMEO Chemicals | NOAA
Colorless, corrosive, moderately toxic liquid. When heated to decomposition it emits toxic fumes of oxides of sulfur [Lewis, 3rd ed., 1993, p. 1196]. No information available. What is this …
H2SO3 properties - Chemical Portal
Despite its instability in isolated form, aqueous solutions containing the equilibrium mixture of SO₂·nH₂O, HSO₃⁻, and SO₃²⁻ species are commonly designated as "sulfurous acid" in …
Sulfurous Acid: Structure, Properties & Uses Explained - Vedantu
Sulfurous acid (which is also called sulphurous acid) is the chemical compound having the formula H2SO3. There is no evidence that sulfurous acid exists in the solution, but this …