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The hickel coördinátión compound bis(P,P-dialkylphosphinic-N-ethylamidato-N,S) nickel sounds complicated, but it's not too bad. The ligand P,P-dialkylphosphinic-N-ethylamidato- N,S (abbreviated SPR2N) is a bidentate ligand that forms coordinate covalent bonds to a Lewis acidic metal through its sulfur and nitrogen Lewis basic atoms as shown below: R. S. P.P-dialkylphosphinic-N-ethylamidato-N,S R Ligand abbreviation: SPR,N- H2C R = C(CH3)3 CH3 Ni(SPR N)2 is diamagnetic in the solid state. However, when Ni(SPR2N)2 is dissolved in solution, it is paramagnetic. Given that the coordinate covalent bonds remain intact in both the solid state and dissolved forms, provide an explanation for what may be occurring that

The hickel coördinátión compound bis(P,P-dialkylphosphinic-N-ethylamidato-N,S) nickel sounds complicated, but it's not too bad. The ligand P,P-dialkylphosphinic-N-ethylamidato- N,S (abbreviated SPR2N) is a bidentate ligand that forms coordinate covalent bonds to a Lewis acidic metal through its sulfur and nitrogen Lewis basic atoms as shown below: R. S. P.P-dialkylphosphinic-N-ethylamidato-N,S R Ligand abbreviation: SPR,N- H2C R = C(CH3)3 CH3 Ni(SPR N)2 is diamagnetic in the solid state. However, when Ni(SPR2N)2 is dissolved in solution, it is paramagnetic. Given that the coordinate covalent bonds remain intact in both the solid state and dissolved forms, provide an explanation for what may be occurring that

Chemistry
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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the laboratory we examined a few nickel coordination compounds, however, we were only able to scratch the surface with regards to the coordination chemistry of nickel. Consider these other nickel coordination compounds. a. The coordination compound potassium hexafluoronickelate (K2[NİF6]) has been synthesized and characterized. It is red in color. Use this information to calculate an approximate value of the octahedral field splitting energy for K2[NİF6]. Report you answer in units of kJ/mol. b. Predict the expected magnetic characteristics of potassium hexafluoronickelate (K2[NIF6]). Explain your answer. c. The nickel coordination compound bis(P,P-dialkylphosphinic-N-ethylamidato-N,S) nickel sounds complicated, but it's not too bad. The ligand P,P-dialkylphosphinic-N-ethylamidato- N,S (abbreviated SPR2N) is a bidentate ligand that forms coordinate covalent bonds to a Lewis acidic metal through its sulfur and nitrogen Lewis basic atoms as shown below: R P,P-dialkylphosphinic-N-ethylamidato-N,S R Ligand abbreviation: SPR,N- H2C R = C(CH3)3 CH3 Ni(SPR2N)2 is diamagnetic in the solid state. However, when Ni(SPR,N)2 is dissolved in solution, it is paramagnetic. Given that the coordinate covalent bonds remain intact in both the solid state and dissolved forms, provide an explanation for what may be occurring that causes the change in magnetic properties.
Transcribed Image Text:the laboratory we examined a few nickel coordination compounds, however, we were only able to scratch the surface with regards to the coordination chemistry of nickel. Consider these other nickel coordination compounds. a. The coordination compound potassium hexafluoronickelate (K2[NİF6]) has been synthesized and characterized. It is red in color. Use this information to calculate an approximate value of the octahedral field splitting energy for K2[NİF6]. Report you answer in units of kJ/mol. b. Predict the expected magnetic characteristics of potassium hexafluoronickelate (K2[NIF6]). Explain your answer. c. The nickel coordination compound bis(P,P-dialkylphosphinic-N-ethylamidato-N,S) nickel sounds complicated, but it's not too bad. The ligand P,P-dialkylphosphinic-N-ethylamidato- N,S (abbreviated SPR2N) is a bidentate ligand that forms coordinate covalent bonds to a Lewis acidic metal through its sulfur and nitrogen Lewis basic atoms as shown below: R P,P-dialkylphosphinic-N-ethylamidato-N,S R Ligand abbreviation: SPR,N- H2C R = C(CH3)3 CH3 Ni(SPR2N)2 is diamagnetic in the solid state. However, when Ni(SPR,N)2 is dissolved in solution, it is paramagnetic. Given that the coordinate covalent bonds remain intact in both the solid state and dissolved forms, provide an explanation for what may be occurring that causes the change in magnetic properties.
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If all the electrons of the central atom of a complex molecule are paired up then the compound is said to be diamagnetic. If one or more electrons of the central atom of a complex molecule are not paired up then the compound is said to be paramagnetic. 

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