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Which species is unstable in the sulphuric in basic solution latimee diagram
Accepted Answer
The Latimer diagram for sulfur in basic solution shows that the most unstable species is sulfite (SO3^2-). This is because it readily disproportionates to form sulfate (SO4^2-) and sulfide (S^2-), as indicated by the positive reduction potential for the reaction from SO3^2- to S^2-. The diagram also suggests that sulfur in its +4 oxidation state (SO3^2-) is thermodynamically unstable in the presence of a strong base and will tend to oxidize or reduce to more stable species.
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