Provide the MLXZ classification, valence, d-electron count, total electron count, and a structure- bonding diagram for each of the following complexes. Explicitly describe any metal-metal bonding as dative or normal or non-existent. 1. H Ar Cp. H-B-H H Nb Nb H 'N H-B-H Ar H

Ql: calculate the total electron count for the complex H Fe(CO), H- . Co Mo CO H- Q2: Classification of ligands according to number of electrons to the bonding idin transition metals Electrons Ligands contributed H,alkyl, aryl, acyl ,n'- allyl groups Olefin ,CO, simple Lewis bases ,PR3,carbenes (:CR) n'- Allyl , NO (Linear), Carbynes (CR) Diene C=C-C3C n°- Cyclopentadienyl Q3: Element Electron Configuration Ti,, Sc Cr4 Mns Fe% Con

a. Compounds 1 and 2 are complex ions of cobalt. 2+ NH2 H2 2+ PMe2 Me2 P H,N. H,N Me,P. Me,P NH2 H2 PMe, Me, 1 2 iv. Compound 2 has a distorted octahedral geometry, with four short and two longer Co-P bond lengths. Use this information to explain whether 2 is a strong or weak field complex, giving your reasoning. Your answer should include a relevant energy level diagram.

Please explain

Which of the following colorful octahedral complex ion solutions should have the longest Amax ? More information is needed to make a determination. O Mn(CN)3CI33- Mn(CN)2CI43- Mn(CN)5C13- Mn(CN)CI53- Mn(CN)4CI23-

Auxiliary ligands are used in EDTA titrations for the following purpose: To mask a metal ion that you don't want to titrate To keep metal ions from forming hydroxide precinitate. Neither of the above. Both of the above.

The theory that explains the splitting of the d orbitals in transition metal complexes and the corresponding colors is called __________.     coordination complex theory     crystal field theory     transition metal theory     transition metal ion theory

The equilibrium equation for the formation of the complex PbBr42 is: Pb2+ + 4 Br = PbBr42. Since PbBr42- is a typical complex, which of the following would you expect to be true? 1. The Kf value is small (- power of 10) 2. At equilibrium, there will be more PbBr42- than free Pb2+ and Br- 3. The Kf value is large (+ power of 10) 4. At equilibrium, there will be more free Pb²+ and Br than PbBr,2- 3 and 4 only 2 and 3 only O 1 and 4 only O 2 only O 1 and 2 only

r 30 HW-4-24.pdf 1E. hexaaquanickel(II) 2. Name each complex ion or compound: 2A. [Cr(H2O)613+ 2B. [Co(NH3)3C13] 2C. [COC14]?- 12- 12+ ig noramagnetic Is the H,C

Predicting color and magnetic properties from a crystal field theory ener... 0/5 Izabella 2+ When a certain strong-field ligand forms an octahedral complex with Co²+ cation, the energies of the valence d orbitals on the cobalt atom are split according to this electron box diagram: energy in kJ/mol -300 -350 -400 2 2 2 -450 Z x-y -500 -550 -600 -650 -700 xy yz XZ -750 Using this diagram, answer the following questions. How many unpaired d electron spins does the cobalt atom have? Is the complex paramagnetic or diamagnetic? Predict the color of the complex. paramagnetic diamagnetic blue or green red or violet orange or yellow white or transparent POO 18 Ar