GKFix MCQ Question

What is the correct half-reaction for the oxidation of sodium in 2Na(s) + H₂(g) → 2NaH(s)?

• A. 2Na + 2e⁻ → 2Na⁻
• B. 2Na → 2Na²⁺ + 2e⁻
• C. 2Na → 2Na⁺ + e⁻
• D. 2Na → 2Na⁺ + 2e⁻