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What sulphur species would be unstable with respect to disproportionation of sulphur: so42- so32- s2o3 s s42- hs-
Accepted Answer
The unstable sulphur species with respect to disproportionation are SO3²⁻ and S²⁻.
Disproportionation is a redox reaction where a single species is both oxidized and reduced.
SO3²⁻ can disproportionate to form SO₄²⁻ and S. The oxidation state of sulfur in SO3²⁻ is +4, and it can be oxidized to +6 in SO₄²⁻ or reduced to 0 in S.
S²⁻ can disproportionate to form S and HS⁻. The oxidation state of sulfur in S²⁻ is -2, and it can be oxidized to 0 in S or reduced to -1 in HS⁻.
The other species listed are more stable and do not readily undergo disproportionation.
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