Question 7: Which ligand is considered a strong field ligand according to the spectrochemical series? a) I- b) Cl c) NH3 d) CN Question 8: In the complex [Fe(CN)6], the oxidation state of iron is: a) +2 b) +3 c) 0 d) -2 Question 9: Which of the following statements is true for a low spin octahedral complex? a) It has a large crystal field splitting energy (A). b) It has a small crystal field splitting energy (A). c) It is always paramagnetic. d) It cannot exist with do configuration.