Give the IUPAC name for the following complexes: (i) (ii) Fe. OC- CO C OEC CEO Tc OC OEC (ii) CH3 (iv) CH3 H3C CH CH3 As (OC),Os CH3 CH3 H3C Zr (OC),Os Os(CO)3 P-Ph PhP Ph H2 Ph OEU-
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- why [Cu(deen)2]X2(X = BF4-, ClO4-and NO3-) show thermochromic behavior, whereas most other bis-diamine Cu(II) complexes (e.g. ethylenediamine) do not exhibit this propertyYou have been sent to India to investigate the occurence of goiter disease attributed to iodine deficency. As part of of your investigation, you must make field measurements of traces of Iodide(I-) in groundwater. The procedure is to oxidize I- to I2 and convert the I2 into an intensely colored complex with the dye brilliant green in the organic solvent toluene. a) A 3.15x10^-6 M solution of the colored complex exhibited an absorbance of 0.267 at 635nm in a 1.00cm cuvet. A blank solution made from distilled water in place of groundwater had an absorbance of 0.019. Find the molar absroptivity of the colored complex. b)The absorbance of an unknown solution prepared from ground water was 0.175. Find the concentration of the unknown.Which of the following statements about 10Dq is false? A. [VCl6]2- has a greater 10Dq than [VCl4] complex.B.[MnF6]2- has a higher 10Dq value than [TcF6]2-.A. [V(H2O)6]3+ has a higher 10Dq value than [V(H2O)6]2+.D. In the [CoX(NH3)5]n+ complex, the color changes from dark violet to yellow when X is replaced by I-, Br-, Cl-, H2O, and NH3, respectively.
- the hexaquanickel(II) has a delta oct of 8,500cm-1. Calculate the CFSE of this complex with your answer as cm-1The complex formed between Cu(I) and 1,10- phenanthroline has molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption. A. If you are going to prepare Cu(I) solution that will have a 0.2 absorbance when complexed with 1,10- phenanthroline, what will be the Molarity of this Cu(I) solution if this is the limiting reagent? Pls show your step by step solution B. What type of ligand is 1. 10 phenantroline ? C. What is coordination number of Cu+1 in the complex ? Cu(I) molar mass=63.546 1,10- phenanthroline molar mass=180.2.The observed absorption band of the M2 + ion in the electronic spectrum of the hexaakua complex is 7500 cm-1. How many kJ / mol is the crystal field cleavage of the tetraakua complex of the same ion? (h = 6,626x10-34Js, c = 3x108ms-1) A. 142.63 B. 25.95 C. 2698.56 D. 39.88 E. 3333.33
- True or False 1. When indophenol is formed, the complex emits colour. 2. In the reaction of phenol with Bromine TS, a white precipitate of a mixture of ortho-bromophenol and para-bromophenol are formed 3. In the esterification process of ethanol with acetic an hydride, the reaction will proceed with NaOH or any strong base as catalyst. 4. Oxidation of methanol using chromic acid leads to the formation of formic acid as the final product 5. Ferric chloride is used to detect the presence of benzene ring in aromatic groups, thus when benzyl alcohol is subjected to this reagent, a positive result is expected.d. An unknown solution of the Fe-complex has an absorbance of 0.278. What is the concentration of [FeX3] 2+ in the unknown solution? e. If the unknown solution initially contained 1.000 x 10-3 M Fe2+ and 0.1000 M X ligand, what is the Keq of the equation? Hint: An ICE table may be useful here (solve for x)Write down the IUPAC names of the following complexes and also give stereochemistry and magnetic moment of the complexes :(i) [Co(NH3)5Cl]Cl2(ii) [CrCl3(py)3](iii) K4[Mn(CN)6](At. nos. Cr = 24, Mn = 25, Co = 27, py = pyridine)
- 1) What role do the protons play in the transformation of [(SALEN)VO] to [(SALEN)Cl2]? --- Consider the number of anionic charges for all the ligands as well as the charge of the overall complex. Has the oxidation of vanadium changed in this reaction?Werner prepared two compounds by heating a solution of PtCl₂ with triethyl phosphine, P(C₂H₅)₃, which is an excellent ligand for Pt. The two compounds gave the same analysis: Pt,38.8%; Cl, 14.1%; C, 28.7%; P, 12.4%; and H, 6.02%. Writeformulas, structures, and systematic names for the two isomersplease upload the answer properly, don't make an error, so I can see all the answers Show the possible structural isomerism in the complex below a.) tris(ethylenediamine-N,N')nickel(III) bromide b.) diamine silver(I) hexacyanoferrate(II) c.) potassium diamine tetra bromo cobaltate(III) d.) triaminatrithiocyanatorhodium (III)