Break the complex into its cation and anion; identify ligand charges first to find the metal's oxidation state.
Assign oxidation numbers to every atom; use the half-reaction method to ensure both mass and charge are balanced. Problems and Solutions in Inorganic Chemistry f...
Balancing complex equations and identifying reducing agents . Break the complex into its cation and anion;
Determining shapes and hybridization of "unusual" molecules. Problems and Solutions in Inorganic Chemistry f...
Apply VSEPR theory by counting valence electrons and lone pairs, paying close attention to octet rule exceptions like hypervalent atoms. Essential Problem-Solving Techniques Inorganic Chemistry - Oxford Learning Link
Naming complexes and determining oxidation states or isomerism.