Address briefly the significance of dioxygen complexes in transition metal coordination chemistry and specify with some more examples.
Address briefly the significance of dioxygen complexes in transition metal coordination chemistry and specify with some...
For each of the following metal complexes, specify the number of ligands, the coordination number of the metal, the oxidation number of the metal, the geometry of the complex and draw the structure. Transition metal complexes with four ligands usually form tetrahedral structures unless the metal has a d8 configuration, in which case it can form either tetrahedral or square planar structures. NH4[Co(NCS)4(py)2] [RhBr(CO)5](NO3)2 K4[Fe(CN)6] [HgI4]2- [Cu(NH3)4]Cl2
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]
For each of the following transition metal complexes, determine the oxidation state of the metal, its coordination number, and the number of d electrons on that metal. (a) RuO4 (b) (CO(NH3).]3+ (c) [Cr(H2O).]8+ (d) Cr(H2O)3Cl2 (e) [Fe(H2O).]3+ (1) (Co(NH3).]2+ (9) MOCI (h) (Pt(CN)4]2- () [Mn(H2O).]2+ (1) Re(CO).Br (k) (Ag(CN 2] (1) [ReH9]?
2. Octahedral transition metal complexes containing strong a acceptor ligands obey the 18- electron rule much more often than complexes containing n donor ligands. Why?
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.,...
A student, Legna, massed out 10.12 g of chromium(iii)chloride hexahydrate to synthesize a transition metal coordination complex. She obtained 7.20 g of a complex containing Chromium (Cr), Ammonia (NH3), and Chlorine (Cl). Samples of this compound were used to perform all analyses for the remainder of the advanced study assignment. The following data were obtained. analysis 1: no heat applied mass of compound used .4988g mass of crucible plus AgCl 19.2859g mass of crucible 18.4628g MM AgCl 143.32 g/mol MM...
In some cases CO can act as a bridging ligand between main-group and transition-metal atoms. When it forms a bridge between Al and W in the compound having the formula (C6H5)3Al- [bridging CO]- W(CO)2(C5H5), is the order of atoms in the bridge Al-CO-W or Al-OC-W? Briefly explain your choice.
In some cases CO can act as a bridging ligand between main-group and transition-metal atoms. When it forms a bridge between Al and W in the compound having the formula (C6H5)3 All bridging CO]-W(CO)2(C5H5), is the order of toms in the bridge AI-CO-W or AI-OC-W? Briefly explain your choice.
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...
28. CN, NH3, and some other compounds and ions will bind to transition metal ions and make them more soluble. The cyanide is acting like a: a. Bronsted acid b. Bronsted base c. Lewis acid d. Lewis base 29. Which solution, formed by mixing, would maintain a fairly constant pH even when additional small amounts of a strong acid or a strong base are added? 100 mL of 1 M HCl and 100 mL of 1 M NaOH b. 100...