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questions that follow: (a) What is the free-ion term for a d4 electronic arrangement? (b) What...
How many d-d spin-allowed electronic transitions are expected for a d4 high-spin configuration in an octahedral...
How many d-d spin-allowed electronic transitions are expected for a d4 high-spin configuration in an octahedral environment? Explain or show your work. Identify this/these transition(s) using the A, T, E, notation. (e.g., 2T ! 3A)
1. [Mn(H2O)6]2* Draw the possible stereoisomers. Give the oxidation state of the metal. Identify the donor...
1. [Mn(H2O)6]2* Draw the possible stereoisomers. Give the oxidation state of the metal. Identify the donor atoms. Draw the structure of the transition metal complex ion. Show the charge on the complex. Determine if its paramagnetic. State whether the complex is high-spin or low-spin. Draw the ground state arrangement of the d-electrons. Calculate the LFSE (in units of A or AT) for each complex.
1/ What are the ground and first excited electronic states for [TiCl4 ]- ? 2/ Is the pure electro...
1/ What are the ground and first excited electronic states for [TiCl4 ]- ? 2/ Is the pure electronic (d to d) transition from the ground to the first excited electronic state spin and or orbitally allowed as an electric dipole transition ?
Question C A particular transition metal has the possible ground state term symbols of singlet S,...
Question C
A particular transition metal has the possible ground state term symbols of singlet S, singlet D, singlet G, triplet P, and triplet F. In each case, determine the allowed values of J. If the d shell i C. less than half full, what is the ground state term symbol according to Hund's rules? The ground state term symbol for Nb (element 41) is GD 1/2 . What electron configuration is D.
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book...
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
The gas phase cobalt(II) free ion has a 4F ground term which in an octahedral ligand...
The gas phase cobalt(II) free ion has a 4F ground term which in an octahedral ligand field splits into 4T1g (-0.6 Δo - CI) , 4T2g(+0 .2 Δo) and 4A2g (+1,2 Δo ) electronic states. a/What are the Δo and CI values for an octahedral Co(II) complex that has ligand field transitions at Δν1 =7,400cm-1 (4T2g ←4T1g) and Δν2 =15,400cm-1(4A2g ←4T1g) ? b/ Provide an explanation for the difference in effective magnetic moments between K2[CoCl4] (μeff(298K) = 3.9 β) and K4[CoCl6]...
8. Compute the spin only moment of the central metal ion in the complex K-NaCrFe. Predict...
8. Compute the spin only moment of the central metal ion in the complex K-NaCrFe. Predict if there is orbital angular momentum, L in (i) the ground state (i) in the excited state of the central metal ion. 9. Construct a well labeled Molecular Orbital energy level diagram for the complex [ABa], if it were tetrahedral. 10. Which species between Cr0 and [Nien)s12 is likely to have a charge transfer spectra. Explain. 11. Derive the ground state (R-S) term for...
3) The d orbital electron configuration of octahedral complexes can either be described as high- spin...
3) The d orbital electron configuration of octahedral complexes can either be described as high- spin with the maximum possible number of unpaired d-electrons, or low-spin containing one or more paired d-electrons. [Fe(H20)62 is a high-spin octahedral complex. What is its spin- state (S-?)? Draw a d-orbital splitting diagram for this complex and fill it with the appropriate number of electrons. Where does the final electron go in this diagram? If you were to oxidize this molecule do you think...
give the ground-state Russell-Saunders terms for the following electronic configurations (a) Give the ground-state Russell-Saunders terms...
give the ground-state Russell-Saunders terms for the following
electronic configurations
(a) Give the ground-state Russell-Saunders terms for the following electronic configurations: i. (3d) ii. (41) (Hint: S, P, D, F, G, H, I... for L=0, 1, 2, 3, 4, 5, 6 ...) (4 marks each, total 8 marks) (b) Determine ALL the atomic term symbols for the electronic configuration p3. Calculate the number of microstates and deduce the ground state term using Hund's rule. (10 marks)
1. Consider in more detail the lowest energy transition of a d6 ion in a weak...
1. Consider in more detail the lowest energy transition of a d6 ion in a weak ligand field. a) (i) Give the symmetry designations and strong field configurations for the ground and excited states [something like 4A1g(t2gxegy) → 4Eg(t2gmegn)].(ii) Draw the d orbitals splitting diagram for an octahedral complex with the electrons included for both the ground and excited state from a(i) above. (iii) What is the energy difference between the two strong-field configurations? (b) Do these two states come...
1. [Mn(H2O)6]2* Draw the possible stereoisomers. Give the oxidation state of the metal. Identify the donor atoms. Draw the structure of the transition metal complex ion. Show the charge on the complex. Determine if its paramagnetic. State whether the complex is high-spin or low-spin. Draw the ground state arrangement of the d-electrons. Calculate the LFSE (in units of A or AT) for each complex.
Question C
A particular transition metal has the possible ground state term symbols of singlet S, singlet D, singlet G, triplet P, and triplet F. In each case, determine the allowed values of J. If the d shell i C. less than half full, what is the ground state term symbol according to Hund's rules? The ground state term symbol for Nb (element 41) is GD 1/2 . What electron configuration is D.
1.- Define what are complex ions 2.- Using NiCl as a reactant look in a book or in the web for a reaction to form a complex ion, indicate which is the Lewis acid and which is the Lewis base. An example of your answer is this: Ag (aq) + 2NH, (aq) - Ag(NH),(aq) Lewis acid Lewis base 3.- Using the rules of nomenclature name the complex you have proposed in question 2 4.- Indicate the coordination number and geometry...
8. Compute the spin only moment of the central metal ion in the complex K-NaCrFe. Predict if there is orbital angular momentum, L in (i) the ground state (i) in the excited state of the central metal ion. 9. Construct a well labeled Molecular Orbital energy level diagram for the complex [ABa], if it were tetrahedral. 10. Which species between Cr0 and [Nien)s12 is likely to have a charge transfer spectra. Explain. 11. Derive the ground state (R-S) term for...
3) The d orbital electron configuration of octahedral complexes can either be described as high- spin with the maximum possible number of unpaired d-electrons, or low-spin containing one or more paired d-electrons. [Fe(H20)62 is a high-spin octahedral complex. What is its spin- state (S-?)? Draw a d-orbital splitting diagram for this complex and fill it with the appropriate number of electrons. Where does the final electron go in this diagram? If you were to oxidize this molecule do you think...
give the ground-state Russell-Saunders terms for the following
electronic configurations
(a) Give the ground-state Russell-Saunders terms for the following electronic configurations: i. (3d) ii. (41) (Hint: S, P, D, F, G, H, I... for L=0, 1, 2, 3, 4, 5, 6 ...) (4 marks each, total 8 marks) (b) Determine ALL the atomic term symbols for the electronic configuration p3. Calculate the number of microstates and deduce the ground state term using Hund's rule. (10 marks)
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