When a certain strong-field ligand forms a tetrahedral complex with Zn“' cation, the energies of the valence d orbitals on the zinc atom are split according to this electron box diagram: energy in kJ/mol -350 -400 ху yz XZ -450 -500 -550 -600 2 x -y -650 Using this diagram, answer the following questions. How many unpaired d electron spins does the zinc atom have? O paramagnetic Is the complex paramagnetic or diamagnetic? O diamagnetic

When a certain strong-field ligand forms a tetrahedral complex with Zn“' cation, the energies of the valence d orbitals on the zinc atom are split according to this electron box diagram: energy in kJ/mol -350 -400 ху yz XZ -450 -500 -550 -600 2 x -y -650 Using this diagram, answer the following questions. How many unpaired d electron spins does the zinc atom have? O paramagnetic Is the complex paramagnetic or diamagnetic? O diamagnetic

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Organometallics A. For the following metal complexes indicate: 1) the metal oxidation state, il) the d- electron count, iii) the valence electron count for the complex, iv) the expected metal geometry, and v) draw the complex. (NB: A periodic table is provided on the last page) [Ru(CH)C₂1₂ VO(acac), Oxidation State: +2 +4 d electrons Valence e Geometry Structure [( dppe )Co(CH) [(CH)Y(H)Phol, Oxidation State: d electrons Valence e Geometry Structure 6 5 5
Match the orbitals below to the higher and lower energy levels when an octahedral complex undergoes ligand field splitting. dx2-y2 Orbital 1 Orbital 1 Orbital 2 Orbital 3 Orbital 4 Orbital 5 L d₂2 Orbital 2 L dyz Orbital 3 dxz Orbital 4 [Choose] ◊ [Choose] ↑ [Choose] ◊ [Choose] [Choose] ↑ L dxy Orbital 5
3. Given the ligands on the Ru(II) center in the following, explain whether the complex is likely to be high-spin or low- spin. C4 û U a C2 02 03 P1 Ru C12 Cl1 6. Would you expect the complex in #3 to be effective as a potential catalyst? Why or why not?
oving to another question will save this response. complex [Co(NH3)6l absorbs light at a wavelength of 465 nm. What is the ligand field aplitting energy for the cormplez in Jlaole? 275 x 10 to negative x AMoving to another question will save this response.
Cr(aq) + 3 e Cr(s) Zn²(aq) + 2 e → Zn(s) 2 H₂O() +2 e → H₂(g) + 2 OH(aq) Mn2(aq) + 2 e A(an) + 3 e Mn(s) Al(s) 7. All of the following statements concerning ligand field theory are true EXCEPT A. in low-spin complexes, electrons are concentrated in the day, dys, and dr orbitals. B. in an isolated atom or ion, the five d orbitals have identical energy. C. low-spin complexes contain the maximum number of unpaired electrons. D. the crystal field splitting is larger in low-spin complexes than high-spin complexes. E. the energy difference between d orbitals often corresponds to an energy of visible light. 8. All of the following complexes will be colored (in the visible) EXCEPT A. [Co(en)]2+ B. [Fe(CN)6] C. [Ni(H₂O)]²+ D. [Cd(NH3)4]2+ 9. A positron has a mass number of a(n) a. 0; 1+; proton b. 1; 2+; proton c. 0; 1+; electron d. 1; 2+; electron e. 0; 0; proton -0.76 -0.83 -1.18 -1.66 a. [Cr(CO)6]C13 b. [Cu(OH)4(NH3)2] c. K4[Mn(CN)6] d. [Pt(en)3] (NO3)4 e. [Pt(NH3)2(OH₂)CIJ3PO4 10. In which…
Which of the following ligands has the weakest field strength? Br O C₂04²- O NH3 NO₂