Facial and meridional isomerism will be shown by....... Select one: O a. (Co(NH3),Ci] CI2 0 b. IC (NH4)2Cu O c. [Co(en)] CI: O d. [Co(NH3).CH10 Which one will show optical isomerism? Select one: a. trans-[Co[en) Cluj b. [CONH314 Cl] CI 0 [CO(NH4Cl ] O d. cis-Coen), Cl] CI The oxidation state of iron in K[Fe(CN)] is Select one: O a. 1 b. 3 O c.2 O d. 4 According to Crystal Field Theory. When the valence d orbitals of the central metal ion are split in energy in an octahedral ligand field, which orbitals are raised least in enerzy? Select one: O a. d 2. 2 and d.2 b. Oxy dxzando, O c. day and d 2.2 O d. de and dy