What type of orbital hybridisation is considered on P in PCl5?
In PCl5, number of hybrid orbitals,
h=12[V+X+A−C]
[where, V=number of valence electronsX=number of monovalent atomsA and C=charge of cation or anion]
H=12[5+5+0=0]
Thus, the hybridisation is sp3d.