1730869
Description
| Question | Answer |
| Define a complex ion | A metal ion surrounded by coordinately bonded ligands |
| Define a ligand | A species containing a lone pair that can donate to form a coordinate bond with a metal ion |
| Define a coordinate bond | When both electrons in a bond come from one atom |
| Define coordination number | The number of coordinate bonds in a complex ion (not the number of ligands) |
| Define a bidentate ligand | A 'large' ligand which contains two lone pairs on different atoms that can both donate to form coordinate bonds |
| Define a ligand exchange reaction | When ligands are substituted in reaction (can be partial) |
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cuh2o6.gif (image/gif)
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[Cu(H2O)6]2+ Hexaaquacopper(II) Coordination no. = 6 Octahedral Pale blue |
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Image:
feh2o6.gif (image/gif)
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[Fe(H2O)6]2+ Hexaaquairon(II) Coordination no. = 6 Octahedral pale green |
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Image:
feh2o6_iii.gif (image/gif)
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[Fe(H2O)6]3+ Hexaaquacopper(III) Coordination no. = 6 Octahedral Yellow |
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Image:
cucl4shape.gif (image/gif)
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[CuCl4]2− Tetrachlorocuprate(II) Coordination no. = 4 Tetrahedral Yellow |
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Image:
cunh34xx (image/png)
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[Cu(NH3)4]2+ Tetraaminecopper(II) Coordination no. = 4 Square Planar deep blue |
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