What is the hybridization of Boron in BF₃ molecules?

The hybridization of boron in BF₃ (boron trifluoride) is sp². This occurs because boron has three valence electrons and forms three equivalent bonds with fluorine atoms.

Understanding the Structure

In BF₃, boron is at the center, surrounded by three fluorine atoms. The geometry of the molecule is trigonal planar, which is typical for sp² hybridization.

Hybridization Details

• Boron uses one s orbital and two p orbitals to create three sp² hybrid orbitals.
• These hybrid orbitals arrange themselves 120 degrees apart to minimize repulsion.
• The remaining p orbital on boron is unhybridized and is involved in the molecular structure.

This arrangement allows BF₃ to be a stable molecule, despite boron having an incomplete octet, making it a good Lewis acid.