(a)Draw all possible isomers of the octahedral complex [CoCl2(en)(NH3)2]*, where en is the bidentateethylenediamine ligand. Name the isomers and identify their point group symmetry.(b)With the aid of simplified molecular orbital energy level diagrams, explain why the 18-electron rule appliesto metal complexes of all coordination numbers and not just six coordinate complexes.

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(a) Draw all possible isomers of the octahedral complex [CoCl2(en)(NH3)2]*, where en is the bidentate ethylenediamine ligand. Name the isomers and identify their point group symmetry.

Chemistry

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ISBN:9781305957404

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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Concept explainers

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.

Question

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(a)
Draw all possible isomers of the octahedral complex [CoCl2(en)(NH3)2]*, where en is the bidentate
ethylenediamine ligand. Name the isomers and identify their point group symmetry.
(b)
With the aid of simplified molecular orbital energy level diagrams, explain why the 18-electron rule applies
to metal complexes of all coordination numbers and not just six coordinate complexes.

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