Question

what is the name of the compound given below? pcl₅ phosphorous pentachloride potassium chloride(v) phosphorous chloride

Explanation:

• Phosphorus trichloride is \(PCl_3\), so "phosphorous chloride" is incorrect.
• Potassium chloride is \(KCl\), so "potassium chloride(V)" is incorrect.
• For \(PCl_5\), the prefix "penta - " is used for 5 chlorine atoms. The compound is named based on the elements present (phosphorus and chlorine).

Answer:

phosphorous pentachloride