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Show me the Latimer diagram for sulfur
Accepted Answer
The Latimer diagram for sulfur in acidic solution is:
SO4^2- + 2e- -→ SO3^2- E° = 0.17 V
SO3^2- + 2H+ + 2e- -→ H2SO3 E° = 0.20 V
H2SO3 + 4H+ + 4e- -→ S(s) E° = 0.45 V
S(s) + 2H+ + 2e- -→ H2S E° = -0.14 V
H2S + 2H+ + 2e- -→ S^2- E° = -0.27 V
This diagram shows the standard reduction potentials for different sulfur species in acidic conditions. The most stable oxidation state of sulfur in acidic solution is +6 (SO4^2-), as shown by the highest reduction potential. You can use this diagram to predict the products of redox reactions involving sulfur species.
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