The molecule dimethylphosphinoethane [(CH3)2PCH2CH2P(CH3)2, which is abbreviated dmpe] is used as a ligandfor some complexes that serve as catalysts. A complex thatcontains this ligand is Mo(CO)4(dmpe). (a) Draw the Lewisstructure for dmpe, and compare it with ethylenediamine asa coordinating ligand. (b) What is the oxidation state of Moin Na2[Mo(CN)2(CO)2(dmpe)]? (c) Sketch the structure ofthe [Mo(CN)2(CO)2(dmpe)]2- ion, including all the possibleisomers.
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.
The molecule dimethylphosphinoethane [(CH3)2PCH2CH2
P(CH3)2, which is abbreviated dmpe] is used as a ligand
for some complexes that serve as catalysts. A complex that
contains this ligand is Mo(CO)4(dmpe). (a) Draw the Lewis
structure for dmpe, and compare it with ethylenediamine as
a coordinating ligand. (b) What is the oxidation state of Mo
in Na2[Mo(CN)2(CO)2(dmpe)]? (c) Sketch the structure of
the [Mo(CN)2(CO)2(dmpe)]2- ion, including all the possible
isomers.
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