5. For each of the following transition metal complexes, give (i) the d-electron count, (ii) the approximate shape of t...
The transition metal ion, Fe(III), can form octahedral or tetrahedral complexes depending on the ligand it binds to. (a) (i) [Fe(CN)6]3- is a strong field octahedral complex of Fe(III). Draw a labelled orbital energy level diagram that shows both the splitting of the d-orbitals and their electron occupancy in [Fe(CN)6]. (3 marks) (ii) Fe(III) can also form tetrahedral complexes, most of which are weak field. Draw a labelled orbital energy level diagram that shows both the splitting of the d-orbitals...
1. For each of the following complexes, give the electron configurations of the d-type M Os, for tetrahedral complexes. Also ie ) (e) for octahedral complexes and (e( ch complex in units of the Bohr , Fe(CN) 3, CoCl , Ni(CO)4, Ti(H2O) +, magnet n f.в Co ( NH3) 3+, Co(FLO)r", Fe(CN) V Fa". Cu(H2O) г., CuCl? , V(CO), Cr(CO) each octahedral complex is high-spi the ligand field theory notes). ust use your judgment as to whether n or low-spin...
1. Name the following transition metal complexes AND give the coordination number for each metal in the complex ion: Name Coordination # (a) K[Fe(CN).] (b)Ks[Fe(ox).] (c) Cr(en).]C13 (d) (Cr(NH3):(HO)](NO3) (e)ky [Cr(NH3),Cla]
(b) Determine the oxidation state of the metal, the d electron configuration, the number of unpaired electrons and the ligand field stabilisation energy for the following complexes: (i) [Co(NH3)5Br]2+ (ii) [MnO4]- (iii) [Fe(CN)6]3- (iv) [Cu(H2O)6]2+
(i) Draw the electron distribution in the d orbitals of an octahedral Cu(II) complex and show the electronic transition responsible for the absorptions observed. (ii) Assign the transition you observe for each complex and give the value of (in cm-1 ) (ii) is based on the complexes from (i)
Electronic absorption spectrum of copper ammine complexes (i) Draw the electron distribution in the d orbitals of an octahedral Cu(II) complex and show the electronic transition responsible for the absorptions observed. (ii) Assign the transition you observe for each complex and give the value of Δ (in cm-1). Visible absorption spectra of Cu(ll) complexes 1.2 Cu (H20)2(NH3)4 Cu (H2O)6 Cu (H20)3(NH3)3 0.8 0.6 Cu (H20)s(NH3) Cu (H20)4(NH3)2 0.4 0.2 850 500 550 600 650 700 750 800 900 450 nm...
2. Indicate i. the metal oxidation state, ii. d-electron count, and iii. coordination number (CN) for the following complex (12 Points). a. Anti-cancer drug b. [Fe S4(SR)] SR Fe COS i. ii. ii. iii. iii. 3. Draw the metal coordination structure of carbonic anhydrase enzyme. Clearly show the 3-D geometry round the metal center. (6 Points)
We discussed in class how ligands can affect the A. energy splitting. a. Categorize these complexes by whether their ligands are mainly i acceptors, i donors, or o donors. [Cr(CN)6]4-, [Fe(H20)6]2+, [CO(NH3)6]2+, [Cu(H20).]2+ b. Draw the tag-eg splitting and show the electron count for each complex from part a. Categorize each as high or low spin or write neither if both electron filling methods give the same result. Assume all o and i donors given here are weak-field ligands.
2. Indicate i. the metal oxidation state, ii. d-electron count, and iii. coordination number (CN) for the following complex (12 Points). a. Anti-cancer drug b. [Fe4S4(SR)4]2- SR S > Fe Cmos i. i. ii. ii. iii. 5. Draw the metal coordination structure of carbonic anhydrase enzyme. Clearly show the ? geomet 21
Deduce the chemical formula of each of the following transition metal complexes: Cis-tetraaquadibromomanganese (III) nitrate Sodium tetracyanoplatinate (II) Provide systematic names for each of the following compounds: K2[CoF5(OH2)] [Ag(H2O)2]2[Ni(NH3)6]