Question

explain the formation of pcl5?

Answer 1

hi
PCl5 forms as
P + 3Cl PCl3
PCl3 + Cl2 PCl5
where P expand its orbital and accomodate e- in d subshell

Answer 2

Phosphorus Pentachloride  is prepared by chlorination of Phosphorus Trichloride (PCL3) .

Phosphorus Trichloride is chemica compound of Phosphorus + 3 molecules of chlorine .

Formula of Phosphorus Pentachloride (PCL5) is as follow:-

PCL3 + CL2 = (PCL5)