Which reaction involves a redox process where the reducing agent is a metal hydride?
In 2NaH + O₂ → Na₂O₂ + H₂, NaH (H: -1 to 0 in H₂) is oxidized, reducing O₂ (0 to -1).
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Oxidizing and Reducing Agents and Strength