1. Calculate the crystal field stabilization energy (CFSE) of the following complexes: (a) Octahedral complex [Co(H2O)6]³+, NO₂² is a strong field ligand (Co=27). b) Tetrahedral complex [NiC14]²-, Cl- is a week field ligand (Ni=28) 2. Which of the flowing complexes show Jahn- Teller distortions and draw their energy level diagram? (a) [Cu(H2O)6]2+, Cu = 29 (b) [Ni(H2O)6]2+, Ni = 28