Sulfites, salts of the anion, SO₃^2- are found in wines as preservatives. The acid associated with the sulfite ion is H₂SO₃. What is the name of H₂SO₃?

Question

Quizplus · Accepted Answer

The prefix "sulfur-" indicates the presence of the sulfite ion SO32-. The suffix "-ous" indicates that the acid has one less oxygen than the "-ic" acid containing the same root. Thus, sulfurous acid is HS(SO3H)2, while sulfuric acid is H2SO4.

Sulfites, Salts of the Anion, SO32- Are Found in Wines

Sulfites, Salts of the Anion, SO₃^2- Are Found in Wines