`PCl_5` is known but `PI5` is not known. Why?

Similar Questions

Explore conceptually related problems

PbCl_2 is known but PbCl_4 is not known. Explain with inert pair effect.

Why PCl_6 is know but Ncl_6 is not known?

Why SF_6 is known but SH_6 is not known ?

Explain the following : SCl_6 is not known but SF_6 is known. Why ?

Why SF_6 is known but OF_6 is not known

K_2PtCl_6 is known but Ni compound is not known. State a reason for it.