What sort of reaction is the following....?

Question

#H_2S(aq) + SO_2(aq) rarr 2H_2O + 3S(s)darr#

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Answer 1 · 2016-06-12T06:40:26

This is a comproportionation reaction. Sulfur dioxide acts as an oxidant; sulfide as a reductant.

#H_2S(aq) + SO_2(aq) rarr 2H_2O + 3S(s) darr#

#"Sulfide ion is oxidized to elemental sulfur"#.

#"Sulfur dioxide is reduced to elemental sulfur"#.

As I recall, the sulfur precipitates from solution as a fine white precipitate.