Question 10: The hybridization of the central metal atom in [PtC14]- is: a) sp b) dsp c) dsp d) sp Question 11: In the context of coordination chemistry, the term "dentate" refers to: a) The shape of the coordination complex. b) The charge on the ligand. c) The number of donor atoms in a ligand. d) The color of the complex. Question 12: Which of the following is an example of an ambidentate ligand? a) CO b) NO- c) H2O d) NH3 Question 13: The term "chelate effect" refers to: a) The ability of ligands to form bonds with metal ions. b) The enhanced stability of complexes with chelating ligands. c) The splitting of d-orbitals in a metal complex. d) The transfer of electrons in redox reactions.