4. Consider the following complexes. Na, [Fe(ox),] [Cr(H2O) (NHJ) SO, [Pt(en)(ONO)CI] Write the coordination sphere for...
4. a. List THREE (3) properties that characterize a d-block metal. [3 marks] b. Consider the following complexes: [Mn(CN). [Co(en),Cl1 [PCUP [Co(NH),CI LIPICI For each of the complexes I to IV, determine the oxidation state of the metal and its d"configuration. [5 marks) Name the complexes II and IV using IUPAC system, [3 marks) Suggest possible isomers for complex Il and draw the structures of the isomers. [3 marks) Using Crystal Field Theory, determine the number of unpaired spin in...
1. Determine the following for the complex; [Cr(CI),(en),](NO), Coordination number: Oxidation number of the metal: (Show your work) number of d electrons on the metal: 2. An aqueous solution of a metal complex absorbs light at 420 nm. What is the color of the solution? What is the energy of the electron transition? (Show your work)
Part C: Structural Isomers - Coordination Sphere Isomers [Co(H2O),Br]CI and (Co(H2O),CIJBr examples of coordination sphere isomers. compounds with the same chemical formula, but with one or more different bonds. In this example, notice the Cl and Br' are either a ligand or a counter ion. Assuming tetrahedral geometry for these cobalt(II) complexes, build a model for only the first (Co(H2O),Br]CI) complex ion. Use a silver (SN-4, tetrahedral) atom for cobalt, use a green terminal atom for Cl, use a yellow...
Please answer Name and Draw each of the following coordination compounds. ③ K₃ [Cr (C₂O4)2 CI] ③ [Cu (en) ] Sot © Cs [Fe Clu] ③ [Co (en), (H₂O) Br] Brz Zn [Pt C16] F Fe (NH), ] [Cr (CN).]
What is the coordination number for each of the following complexes or compounds? [Co(NH3)4Cl2]+ [Ca(EDTA)]2− [Pt(NH3)4]2+ Na[Ag(CN)2] Enter the coordination numbers, in the order that the complexes are listed, as four integers separated by commas (e.g., 1,2,3,4). What is the charge on each of the following complex ions? hexaaquairon(II), [Fe(H2O)6]? tris(carbonato)aluminate(III), [Al(CO3)3]? amminepentachloroplatinate(IV), [Pt(NH3)Cl5]? Express the charges numerically, in the order that the complexes are listed, separated by commas. For a nonzero charge, be sure to include the sign (e.g.,...
(i) explain how they differ. b. (ii) Explain how the following reaction was used to deduce the mechanism of inner sphere electron transfer. [Co(NH,),Cl]Cr(Hd+SH,OCo(H,O)+ [Cr(HO),ci+5NH 8 marks] (i) Given the following ligands, suggest which one you would use as a chelating agent to treat an excess of Fe(III). Explain your choice. c. HS SH он HS NH2 Ci) Assuming an octahedral geometry, draw the strueture (inecluding any possible isomers) of the neutral Fe(III) complex that would be formed if it...
4. Give chemical names for the following coordination complexes. a) [Cu(NH3)4]2+ b) [Pt(NH3). Cl]* c) [Mn(CN):)". d) (Co(en)2(PPha)]PO... e) [Ni(bipy)](NO3)2. 5. Give chemical formulas for the following coordination complexes. a) Triammineaquadichlorocobalt(III) chloride. b) Potassium diaquabis(oxalate)manganate(III). c) Tris(acetylacetonato Jiron(III). d) Tri--carbonylbis(tricarbonyliron(O)). e) Li-oxo-bis(pentaamminechromium(III)). 5. Draw a d-orbital energy-level diagram, and predict the number of unpaired electrons. a) [Fe(CN).] b) [Fe(H20):] c) (CoCil (tetrahedral) 6. Of the two complexes (a) (CoFs] and (b) (Coſen)] + one appears yellow and the other appears...
SYNTHESIS OF TRANSITION METAL COORDINATION COM 3. Ethylenediamine ("en" in short-hand notation) has two amine groups, one at each end of a two-carbon chain, NH,CH,CH,NH. Each nitrogen in NH,CH,CH_NH, has a lone pair that coordinates to the metal. Thus, one NH CH CH NH, ligand, takes up two coordina- tion sites. a) Draw and label the structures of the cis and trans isomers of Co(en),C1,CI. b) What is the coordination number for (Coſen),C1,CI? c) Determine the oxidation state of the...
please do answer all the questions below. thank you For each of the following complexes, draw the molecular structure and determine the effective atomic numbers. (i) Na[Fe(CN)s(NH3)3l (i) [Cr(H2O)2(NH3)2(en)]Cl (ii) [Co(o-phen)2(NHs)(NCS))CI (iv) (n3-C3Hs)Co(CO)2] (v) [Fe(diphos)(CO)sl in which diphos Ph2PCH2CH2PPh2 and Ph CsHs (10 marks) (i)/ The K for Fe(OH)4]2-is found to be higher than that found in (5 marks) Zn(OH)4]2-and [Cr(OHM. Explain . Cho and coworkers used the following ligand to react with cobalt. Predict how this ligand would bind...
5. The [NI(CN)412- ion has a square-planer geometry, whereas the INca diagrams (with d-orbital labels) for these twe complexes and determine if the compound is paramognetic or diamognet ion is tetrahedral. Drow the crystal field splitting 6. The absorption maximum for the complex ion (Co( Hale ccurs at 410 m. Predict the coler of this complex.Explain your reasoning. the Lewis structure of each and state whether the following are monodentate or bide ntate ligands a. c2042 (oxalate ion, ox) b,sar...