Given: Pb²⁺(aq)+ 2e^- Pb(s); E° = -0.13 V

question 29

Multiple Choice

Given:
Pb²⁺(aq) + 2e^- Pb(s) ; E° = -0.13 V
2H⁺(aq) + 2e^- H₂(g) ; E° = 0.00 V
NO₃^-(aq) +4H⁺(aq) + 3e^-NO(g) + 2H₂O(l) ; E° = 0.96 V
O₂(g) + 4H⁺(aq) + 4e^- 2H₂O(l) ; E° = 1.23 V
PbO₂(s) + SO₄^2-(aq) + 4H⁺(aq) + 2e^- PbSO₄(s) + 2H₂O(l) ; E° = 1.69 V
Under standard-state conditions,which of the following is the best oxidizing agent?

• A)H⁺
• B)Pb²⁺
• C)PbO₂
• D)O₂
• E)NO₃^-

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