Which type of hybridization leads to a trigonal planar electron domain geometry?

• A. sp^2
• B. sp^3
• C. sp
• D. s

Answer: (A)

Verified step by step guidance

1. Recall that hybridization describes the mixing of atomic orbitals to form new hybrid orbitals suitable for bonding in molecules.
2. Understand that the electron domain geometry depends on the number of electron groups (bonding and lone pairs) around the central atom.
3. Know that trigonal planar geometry corresponds to three electron domains arranged around the central atom in a plane, separated by 120° angles.
4. Recognize that the hybridization associated with three electron domains is sp\^2, which involves mixing one s orbital and two p orbitals.
5. Conclude that sp\^2 hybridization leads to trigonal planar electron domain geometry, while sp\^3 corresponds to tetrahedral, sp to linear, and s is not a hybridization state.