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- Draw the appropriate completely Orgel Diagram and use it to assign elctronic transition/s to any of these bands , confirming the colour of the complexExplain in detail π backbonding using the molecular orbitals of CO and a d-transition metal. How does this influence Infrared Spectroscopy and explain how the bond order for the C-O bond changes and how the bond order for the metal-ligand bond changes. Provide pictures and explanations. (Inorganic Chemistry)Regarding the formation of the tetracyanetoniquelate (II) complex answer:a.Demonstrates hybridization according to the valence bond theory and indicate itsgeometry.b. Demonstrate and explain the unfolding of the crystalline field in the formation of this ioncomplex.c. Demonstrate through a diagram of molecular orbitals and explain the formation of that ioncomplex according to the ligand field theory
- Discuss and explain the factors that contribute to the preference of a first row transition metal octahedral complex forming a high spin or low spin complex. Explain how you would experimentally determine this. Use examples of octahedral complexes to illustrate your answers.1. Give a diagram and explain briefly how the d orbital degeneracy is removed in an octahedral complex in which a transition metal atom is surrounded by 6 ligands.flouroquinolones like ciprofloxacin are antibiotics with broad antibacterial spectrum widely used nowadays to treat bacterial infections. unfortunately, they form water insoluble complexes in the GIT when taken orally together with divalent metal supplements like zinc and iron as sulfate salts respectively [ both in the second oxidation state ] a. draw the structure of the resulted metals complexes with ciprofloxacin b. expect the electronic configuration showing the complexation orbitals and sharing for each metal case c. how many coordination covalent bond are expected form such complexation and the type of hybridization expected d. what would be the influence of such complexation on the bioavailability of both the metals and the antibiotic e. which functional groups in the ciprofloxacin structure are expected to be the ligands in the resulted complexes. f. which type of chelating agent ciprofloxacine would be expected in these cases.
- Identify complexes that can have low and high spin configurations and rationalize why they adopt a particular configuration using a strong field / weak field ligand argument based on the spectrochemical series.Consider the [Ir2(dimen)4] 2+ complex. Notice that the dimen ligand is asymmetric. There is also a different, symmetric diisocyano ligand referred to as “TM4” (structure shown to the right) that forms the same sort of binuclear complex that dimen does. Answer the following questions with supporting justification: a. How many geometric isomers (ignore any optical ones) of [Ir2(TM4)4] 2+ are there? b. How many geometric isomers (ignore any optical ones) of [Ir2(dimen)4] 2+ are there? c. In the “twisted” deformational isomer, would you expect [Ir2(TM4)4] 2+ or[Ir2(dimen)4] 2+ to be able to rotate polarized light? Justify your answer.Why does orbital mixing result in pale coloured transition metal complexes? Use diagrams to explain your answer.
- What are the characters for the operations C2, C4, σd, and σv(xz) respectively, on the LCAO Ψ(L1+L3) – Ψ(L2+L4) in the square planar metal complex ML4? The arrangement of the four ligands is shown in the structure.How does Ligand Field Theory explain the interaction between the ligand with the central metal leading to increase or decrease of Δo ? Use the concepts of π-donor and π-acceptor ligands.Give examples of three complexes containing Mn metal with different ligand(s) and representing at least two - geometries. Describe any significant features of Mn metal - ligand bonding and identify any unusual or otherwise notable features of the bonding associated with these three examples.