Polydentate ligands can vary in the number of coordi- nation positions they occupy. In each of the following, identify the polydentate ligand present and indicate the probable number of coordination positions it occupies: (a) [Co(NH3)4(0-phen)JCI3 (b) [Cr(C204)(H20),]Br (c) [Ca(EDTA)]²- (d) [Zn(en),](CIO4)2
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.
For each of the following polydentate ligands, determine (i)
the maximum number of coordination sites that the ligand
can occupy on a single metal ion and (ii) the number and
type of donor atoms in the ligand: (a) ethylenediamine
(en), (b) bipyridine (bipy), (c) the oxalate anion (C2O42-),
(d) the 2- ion of the porphine molecule (Figure ),
(e) [EDTA4]-.
![Polydentate ligands can vary in the number of coordi-
nation positions they occupy. In each of the following,
identify the polydentate ligand present and indicate the
probable number of coordination positions it occupies:
(a) [Co(NH3)4(0-phen)JCI3
(b) [Cr(C204)(H20),]Br
(c) [Ca(EDTA)]²-
(d) [Zn(en),](CIO4)2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94b022a9-b424-4069-b54f-83a30664fd9c%2F55e923eb-08bd-49a2-aa07-a1eb53145bba%2Fkuuw0cg.png&w=3840&q=75)
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