why KHF2 is known but KHCl2 is not known - Chemistry - Chemical Bonding and Molecular Structure

Question

why KHF2 is known but KHCl2 is not known?

Anita Dahiya · Accepted Answer

KHF2 is an ionic compound with K+ and HF2-
But when it if there is HCl2- ion the size of
anion becomes so large that K+ ion becomes smaller than the size of
its smallest void