The compound with the formula PCl5 is called phosphorus pentachloride.
Phosphorus pentachloride is an important chemical that consists of one phosphorus atom and five chlorine atoms. In this compound, phosphorus acts as the central atom surrounded by the five chlorine atoms, which are covalently bonded to it. The name ‘pentachloride’ denotes the presence of five chlorine atoms. This compound is typically used in organic chemistry for the chlorination of organic compounds and is known for its ability to act as a chlorinating agent.