Purdue - Complex Ions
Chemistry LibreTexts - Acidity of the Hexaaqua Ions
Good place to start with this topic.
Chemistry LibreTexts - Ligand Exchange Reactions (Introduction)This type of chemistry may show up in a passage.
Geometry LibreTexts - Geometry of Complex IonsChemistry LibreTexts - Acidity of the Hexaaqua Ions
This is just at the edge of the scope of the exam. It might show up!
Topic Resources
Interdisciplinary MCAT Course Videos
17 questions
figures for classroom presentation