Which one of `PCl_(4)^(+)` & `PCl_(4)^(-)` is not likely to exist, why?

Which one of PCl_(4)^(+) and PCl_(4)^(-) is not likely to exist and why?

Which one of PCl_(4)^(+) & PCl_4^- is not likely to exist and why ?

Which one of PCl_4^(+) and PCl_4^(-) is not likely to exist and why ?

Which one of PCl_(4)^(+) is not likely to exist and why ?

PCl_5 exists but NCl_5 does not exist why

In the soild state , PCl_(5) exists in the lonic form as [PCl_(4)]^(+) [PCl_(6)]^(-) . What are the shapes of these two ions ? Why ?

PCl_(5) in solid state exists as PCl_(4)^(+) and PCl_(6)^(-) and also in some solvents it undergoes dissociation as 2PCl_(5) hArr PCl_(4)^(+) +PCl_(6)^(-) Which statement is wrong ?

PCl_(5) in solid state exists as PCl_(4)^(+) and PCl_(6)^(-) and also in some solvents it undergoes dissociation as 2PCl_(5) hArr PCl_(4)^(+) +PCl_(6)^(-) The geometry and hydridisation of PCl_(4)^(+) is