What is the most likely mechanism for ligand substitution in square-planar complexes? Group of answer choices association dissociation A wide variety of mechanisms are observed. Chemists have not determined one to take place in most cases. reductive elimination
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- The geometry of a lanthanide complex is determined by steric hindrance arising from the ligands. * O True O Falsethe spectrochemical series allows us to explain the variety ofcolors observed in transition metal complexes. But in practice, someone attempting to predictthe properties of compounds can occasionally be frustrated by various complicating factors.For instance, the nitrite ligand is presented as having a high field strength, but that is only whenit is the nitrogen of the nitrite that is coordinating to the metal center. Nitrite is also capable ofbinding to the metal center through an oxygen, and when this happens, nitrite is a low fieldstrength ligand. Furthermore, many metals initially precipitate as simple ionic salts before theyhave a chance to form more soluble complex ions. And occasionally, unexpected redoxreactions can lead to complex mixtures. Despite these complications, the spectrochemical series remains a powerful predictivetool for inorganic chemists. New ligands are being developed all the time, and each new ligandneeds to be placed, at least approximately, on the…the spectrochemical series allows us to explain the variety ofcolors observed in transition metal complexes. But in practice, someone attempting to predictthe properties of compounds can occasionally be frustrated by various complicating factors.For instance, the nitrite ligand is presented as having a high field strength, but that is only whenit is the nitrogen of the nitrite that is coordinating to the metal center. Nitrite is also capable ofbinding to the metal center through an oxygen, and when this happens, nitrite is a low fieldstrength ligand. Furthermore, many metals initially precipitate as simple ionic salts before theyhave a chance to form more soluble complex ions. And occasionally, unexpected redoxreactions can lead to complex mixtures. The complex that copper forms with chloride ions is tetrahedral. Write the chemical formula for this complex. Thoroughly describe the energy diagram for the d orbitals.
- the spectrochemical series allows us to explain the variety ofcolors observed in transition metal complexes. But in practice, someone attempting to predictthe properties of compounds can occasionally be frustrated by various complicating factors.For instance, the nitrite ligand is presented as having a high field strength, but that is only whenit is the nitrogen of the nitrite that is coordinating to the metal center. Nitrite is also capable ofbinding to the metal center through an oxygen, and when this happens, nitrite is a low fieldstrength ligand. Furthermore, many metals initially precipitate as simple ionic salts before theyhave a chance to form more soluble complex ions. And occasionally, unexpected redoxreactions can lead to complex mixtures. Despite these complications, the spectrochemical series remains a powerful predictivetool for inorganic chemists. New ligands are being developed all the time, and each new ligandneeds to be placed, at least approximately, on the…k) The reactions of Group I and Group II with ammonia and chloride ligands give distinctly different compounds to the reactions of the same ligands with transition metals. Explain em why this is so. wollot ar I) Discuss Werner's theory of coordination complexes and compare that theory to our current understanding of coordination chemistry.An aqueous solution of copper sulfate (red line) was titrated with incremental amounts of a ligand, forming a complex (blue lines). The UV-Vis spectra of this reaction are shown below: 2 330 380 430 480 530 580 630 680 730 780 Wavelength (nm) What shift was observed and what can be said about the ligand's field strength? O Hypsochromic shift caused by a weaker field ligand O Bathochromic shift caused by a stronger field ligand Hypsochromic shift caused by a stronger field ligand Bathochromic shift caused by a weaker field ligand Absorbance
- The factor determining the mechanism observed in the substitution reactions of square plane complexes is that these complexes are not saturated with coordination. Right?False?By using the given 1) electronic absorption spectrum, 2) the Tanabo-Sugano diagram for d3 complex in octahedral ligand field and 3) the absorption/emission spectra, explain the following: a) Ligand field states (to support your explanation show the filling of the orbitals) b) Radiative transitions (to support your explanation refer to fluorescence, phosphorescence and Stokes’ shift)It is observed that the substitution reactions of square plane complexes generally follow the SN2 mechanism. Is that true or false?
- h)) "Ligand field theory provides a basis for explaining the chemical behaviour of octahedral transition metal complexes". Explain the experimental evidence which exists to back up this theoryonos9R)TheTeactions Ul GTUUP Tand GPoup II with ammonla ahd chlóride ligands give distinctly different compounds to the reactions of the same ligands with transition metals. Explain why this is so. 1) Discuss Werner's theory of coordination complexes and compare that theory to our current understanding of coordination chemistry.Draw the ligand field Walsh correlation diagram for the simultaneous, equal stretching of the top and bottom ligands of an Oh ML6 complex. Label all complexes with point groups, and all orbitals with Mulliken symbols.
