The basicity of Sulphurous acid is________


The basicity of Sulphurous acid is two.

What is basicity?

The number of hydronium ions (H3O+) that can be formed by ionising one molecule of an acid in aqueous solution is known as the acid’s basicity.

Sulphurous Acid

H2SO3 is a chemical compound with chemical name Sulphurous acid. The other names of sulphurous acid are Sulfur dioxide solution or dihydrogen trioxosulfate or trioxosulfuric acid. Trioxosulfuric acid is a colourless liquid with a strong burning sulphur odour.  It is corrosive to tissue and metals. It is a sulfur oxoacid, tautomer of a sulfonic acid, and conjugate acid of a hydrogensulfite.


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