What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?

What happens when sulphur dioxide gas is passed through an aqueous solution of Fe(III) salt ?

State the reaction: Sulphur dioxide gas is passed through an aqueous solution of Fe(III) salt?

What happens when Sulphur dioxide is passed through FeCl_3 solution ?

(a) what happens when (i) Chlorine gas is passed though a hot concentrated solution of NaOH? (ii) sulphure dioxide gas is passed through an aqueses solution of Fe (III) salt? (b) Answer the following : (i) what is the basicity of H_(3) PO_(3) and why?. (ii) why does fluorine not pay the role of a central atom in interhalogen compounds ? (iii) Why do noble gases have very low boiling points ?