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The Reduction Half Reaction Occurring in the Standard Hydrogen Electrode

Question 69

Multiple Choice

The reduction half reaction occurring in the standard hydrogen electrode is ________.


A) H2 (g, 1 atm) → 2H+ (aq, 1M) + 2e-
B) 2H+ (aq) + 2O The reduction half reaction occurring in the standard hydrogen electrode is ________. A) H<sub>2</sub> (g, 1 atm) → 2H<sup>+</sup> (aq, 1M) + 2e<sup>-</sup> B) 2H<sup>+</sup> (aq) + 2O → H<sub>2</sub>O (l) C) O<sub>2</sub> (g) + 4H<sup>+</sup> (aq) + 4e<sup>-</sup> → 2H<sub>2</sub>O (l) D) 2H<sup>+</sup> (aq, 1M) + 2e<sup>-</sup> → H<sub>2</sub> (g, 1 atm) E) 2H<sup>+</sup> (aq, 1M) + Cl<sub>2</sub> (aq) → 2HCl (aq) → H2O (l)
C) O2 (g) + 4H+ (aq) + 4e- → 2H2O (l)
D) 2H+ (aq, 1M) + 2e- → H2 (g, 1 atm)
E) 2H+ (aq, 1M) + Cl2 (aq) → 2HCl (aq)

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