Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex: (i) K[Cr(H₂O]₂(C₂O₄)₂]3H₂O (iii) [CrCl₃(pY)₃] (v) K₄[Mn(CN)₆] (ii) [Co(NH₃)₅Cl]Cl₂ (iv) Cs[FeCl₄]