One, Two, Mystery... Coordination Chemistry!

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Coordination complexes feature a central metallic atom or ion surrounded by ligands, with transition metals like titanium commonly involved. The field of coordination chemistry was pioneered by Alfred Werner, who studied cobalt (III) chloride and ammonia. His experiments revealed that ammonia binds tightly to the cobalt ion, influencing the formation of silver chloride when silver nitrate is introduced. The varying amounts of silver chloride produced depend on the number of ammonia molecules attached to the cobalt complex, illustrating the intricate relationships in coordination chemistry.