IB Chemistry SL Reactivity 3.4.8 Complex Ions

Practise identifying the central transition-metal cation and ligands in a complex ion. Treat each ligand as an electron-pair donor forming a coordination bond, distinguish…

Syllabus
First assessment 2025
Objective
3.4.8
Level
SL

Exam points

  • identify the central transition-metal ion and every ligand inside the coordination sphere
  • describe each ligand as donating a lone pair to form a coordination bond to the metal
  • use ligand charges and overall complex charge to verify the metal oxidation state

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