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The Latimer diagram for sulfur, from SO₄²⁻ to HS⁻, in acidic conditions is:
SO₄²⁻ (+0.17) → HSO₄⁻ (+0.22) → S₂O₆²⁻ → H₂SO₃ (+0.57) → SO₂ (+0.17) → S → H₂S (-0.14) → HS⁻
Note that the values given are the standard reduction potentials (E°) in volts. It's important to remember that the values may change depending on the pH.