Edexcel IAL Chemistry A2 17.13 octahedral six-coordinate complexes
Edexcel IAL Chemistry A2 17.13 octahedral six-coordinate complexes
For six-coordinate complexes, show six ligand donor pairs arranged as far apart as possible, then use wedge and dot bonds to make the 3D shape clear.
How this is tested
- Explain octahedral shape from six electron pairs arranged to minimise repulsion.
- Draw six-coordinate complex ions using wedge, dot or displayed 3D bonds.
- Write formulae such as [Cr(H2O)6]3+ when aqueous complex evidence is given.