Structural Isomerism 1 Coordination isomerism: Composition of the complex ion varies. [Cr(NH3)5SO4]Br and [Cr(NH3)5Br]SO4.

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Presentation transcript:

Structural Isomerism 1 Coordination isomerism: Composition of the complex ion varies. [Cr(NH3)5SO4]Br and [Cr(NH3)5Br]SO4

Structural Isomerism 2 Ligand isomerism: Same complex ion structure but point of attachment of at least one of the ligands differs. [Co(NH3)4(NO2)Cl]Cl and [Co(NH3)4(ONO)Cl]Cl

Linkage Isomers [Co(NH3)5(NO2)]Cl2 [Co(NH3)5(ONO)]Cl2 Pentaamminenitrocobalt(III) chloride [Co(NH3)5(ONO)]Cl2 Pentaamminenitritocobalt(III) chloride

Stereoisomerism 1 Geometric isomerism (cis-trans): Atoms or groups arranged differently spatially relative to metal ion Pt(NH3)2Cl2

Stereoisomerism 2 Optical isomerism: Have opposite effects on plane-polarized light (no superimposable mirror images)

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