No, this is not an example of functional isomers as compound (1) have two functional group i.e, epoxide and alcohol while compound (2) only have ester group.
Positional isomerism, an example of structural isomerism, occurs when functional groups are in different positions on the same carbon chain.
Name the type of isomerism when ambidentate ligands are attached to central metal ion. Give two examples of ambidentate ligands.