3. Glycinate (Gly, HNCHCOO) complex of Cu(II) is 4-coordinate. (a) Draw all possible structures of the...

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3. Glycinate (Gly, H₂NCH₂COO) complex of Cu(II) is 4-coordinate. (a) Draw all possible structures of the Cu(II)-Gly complex, state the type(s) of isomerism involved, and explain whether the Cu(II)-Gly complex would be chiral, if the coordination geometry of the Cu(II)-Gly complex is (i) square planar; (ii) tetrahedral. (6 marks) (b) Replacing the Gly ligand by 2-aminoethanethiol (H₂NCH₂CH₂SH) gave a similar 4- coordinate Cu(II) complex. How would you compare the Cu(II)/Cu(1) reduction potential of the two complexes? Explain your answer. 125 (6 marks) 3. Glycinate (Gly, H₂NCH₂COO) complex of Cu(II) is 4-coordinate. (a) Draw all possible structures of the Cu(II)-Gly complex, state the type(s) of isomerism involved, and explain whether the Cu(II)-Gly complex would be chiral, if the coordination geometry of the Cu(II)-Gly complex is (i) square planar; (ii) tetrahedral. (6 marks) (b) Replacing the Gly ligand by 2-aminoethanethiol (H₂NCH₂CH₂SH) gave a similar 4- coordinate Cu(II) complex. How would you compare the Cu(II)/Cu(1) reduction potential of the two complexes? Explain your answer. 125 (6 marks)

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