In the context of supramolecular chemistry, what is the significance of the "host-guest" relationship?
1
It refers to the covalent bonding between two molecules.
2
It is the interaction where a host molecule forms a complex with a guest molecule through non-covalent interactions, often leading to specific recognition and binding.
3
It describes the process of forming ionic bonds in solution.
4
It pertains to the creation of polymers with high molecular weight