Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
PCl₃ refers to phosphorus trichloride, which is a covalent compound composed of one phosphorus atom bonded with three chlorine atoms. It exists as a gas at room temperature.