Question

(a) Place the ligands I?, NCS? (S-coordinated), SCN? (N-coordinated), and H? in an order of ligand field strength in the spectrochemical series and explain how you arrive at your answers. (b) Correlate the strength of the above ligands to the ligand field splitting (??) in an octahedral complex, and illustrate your answer with the aid of simplified molecular orbital diagrams. State what types of ligand class do each of these four ligands belong to. (c) For the linkage isomers of a metal complex of metal centre M with low-spin d? electronic configuration, [(L)?M(SCN)]²? and [(L)?M(NCS)]²?, one of them is orange in colour and the other is violet in colour (L = monodentate charge-neutral ligand). Please match the colour to the correct complex and explain how you arrive at your choice.

          (a) Place the ligands I?, NCS? (S-coordinated), SCN? (N-coordinated), and H? in an order of ligand field strength in the spectrochemical series and explain how you arrive at your answers.

(b) Correlate the strength of the above ligands to the ligand field splitting (??) in an octahedral complex, and illustrate your answer with the aid of simplified molecular orbital diagrams. State what types of ligand class do each of these four ligands belong to.

(c) For the linkage isomers of a metal complex of metal centre M with low-spin d? electronic configuration, [(L)?M(SCN)]²? and [(L)?M(NCS)]²?, one of them is orange in colour and the other is violet in colour (L = monodentate charge-neutral ligand). Please match the colour to the correct complex and explain how you arrive at your choice.

(a) Place the ligands I?, NCS? (S-coordinated), SCN? (N-coordinated), and H? in an order of ligand field strength in the spectrochemical series and explain how you arrive at your answers.

(b) Correlate the strength of the above ligands to the ligand field splitting (??) in an octahedral complex, and illustrate your answer with the aid of simplified molecular orbital diagrams. State what types of ligand class do each of these four ligands belong to.

(c) For the linkage isomers of a metal complex of metal centre M with low-spin d? electronic configuration, [(L)?M(SCN)]²? and [(L)?M(NCS)]²?, one of them is orange in colour and the other is violet in colour (L = monodentate charge-neutral ligand). Please match the colour to the correct complex and explain how you arrive at your choice.

Added by Rhonda C.

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