coordination compounds

Question 1

The arrangements of ligands in order of increasing CFS

Answer 1

I⁻ < Br⁻ < S²⁻ < SCN⁻ (S-bonded) < Cl⁻ < F⁻ <OH⁻ <C₂H₄²⁻ <H₂O <NCS⁻(N-bonded) < CH₃CN < py (pyridine) < NH₃< en < NO₂⁻(N-bonded) < PPh₃ (Triphenylphosphine) < CN⁻ < CO