Which reaction involves a disproportionation process with a halogen?
In 3F₂ + 3H₂O → 6HF + O₃, F (0) is reduced to -1 in HF and O (-2 to 0 in O₃) is oxidized, but F drives it indirectly.
Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Applications of Redox Reactions and Disproportionation