What is the conjugate base of #"bisulfite ion"#, #HSO_3^(-)#?

1 Answer
May 29, 2016

For bisulfite, #HSO_3^-#, the conjugate base is sulfite ion, #SO_3^(2-)#.

Explanation:

Sulfur dioxide dissolved in water gives sulfurous acid, #H_2SO_3#. The conjugate base of this material is the original less a proton, i.e. #HSO_3^(-)#, and the conjugate base of this material is #SO_3^(2-)#.