4 BF3 + 3 H2O → 3 [BF4]- + 3 H+ + H3BO3
This is a complexation reaction: [BF4]- is the formed complex.
- Names: Boron trifluoride , Boron fluoride , Trifluoroborane
- Appearance: Colorless gas (anhydrous) | colorless liquid (dihydrate) ; Colourless compressed gas with pungent odour. forms white fumes in moist air ; Colorless gas with a pungent, suffocating odor. [Note: Forms dense white fumes in moist air. Shipped as a nonliquefied compressed gas.]
- H2O – Water, oxidane