AP EAMCET201825 Apr 2018Morning ShiftChemistryCoordination CompoundsActual
Arrange the following ligand in the order of increasing field strength. H 2 O CO NH 3 I - F - I II III IV V
Options
- AIV < V < I < III < II
- BIV < V < III < II < I
- CV < IV < III < I < II
- DIV < I < V < II < III
Correct answer
A. IV < V < I < III < II
Step-by-step solution
Spectrochemical series: A list of ligands ordered in ligand strength and a list of metal ions based on oxidation number, group, and identity. Using the concept of spectrochemical series, the ligands arranged in increasing order of crystal field strength are, I - < F - < H 2 O < NH 3 < CO If in a complex, at least one ligand is strong field ligand, in this case, all ligands are considered as strong field ligand.