-Using Table 17.1,find E° for 2 H₂O(l)→ 2 H₂(g)+ O₂(g). A)-2.06 V B)-1.23 V C)-0.80 V D)-0.40 V

Name: -Using Table 17.1,find E° for 2 H 2 O(l)→ 2 H 2 (g)+ O 2 (g). A)-2.06 V B)-1.23 V C)-0.80 V D)-0.40 V
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Question

Quizplus · Accepted Answer

The standard electrode potential for the water-splitting reaction is -1.23 V, which is the sum of the potentials for the half-reactions: 2H₂O + 4e⁻ → 2H₂ + 2OH⁻ (E° = -0.83 V) and 4OH⁻ → O₂ + 2H₂O + 4e⁻ (E° = -0.40 V).