CH1012
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6
SHAPE OF COMPLEXES
Coord. no. Shape Examples
2 Linear [Hg(CN)2], [Au(CN)2]-,
 [Ag(NH3)2]+
4 Square [Ni(CN)4]2-, [PdCl4]2-,
 planar  [Pt(NH3)4]2+, [PtCl4]2- 
  (d8 s0)                 Ni2+ 3d84s0
4 tetrahedral [Ni(CO)4], [CoCl4]2-,
             not-d8s0  [ZnCl4]2-,[FeCl4]-
6 octahedral [Ti(H2O)6]3+,[Mn(CN)6]3- 
   [Cr(NH3)4Cl2]+,
[V(H2O)6]3+, [Co(en)3]3+
 [FeCl6]3-, [Ni(NH3)6]2+