redox rxn

Asked by saloni | 15th Dec, 2012, 08:50: PM

Expert Answer:

SO2 is a reducing agent. When it reacts with water, it produces sulfonic acid, H2SO3. The anion of this acid is sulfite and bisulfite. These are added to foods to block the action of oxidation from atmospheric oxygen.

Answered by  | 16th Dec, 2012, 09:23: AM

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