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REDOX REACTIONS AND ELECTROCHEMISTRY
Question #29594
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Question
What is the correct half-reaction for the reduction of oxygen in 4Na(s) + O₂(g) → 2Na₂O(s)?
A. O₂ → 2O⁺ + 4e⁻
B. O₂ + 4e⁻ → 2O⁺
C. O₂ → 2O²⁻ + 4e⁻
D. O₂ + 4e⁻ → 2O²⁻
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