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InterviewSolution
| 1. |
Why do compounds having similar geometry have different magnetic moment ? |
| Answer» This is because of the nature of the ligands present in the complex. If the crystal field stabilising energy (CFSE) i.e. `Delta_(0)` for the complex is high, the complex will have less number of unpaired electrons and less value of magnetic moment. In case `Delta_(0)` is low, the complex will have more number of unpaired electrons and high value of magnetic moment. For exmaple, both `[CoF_(6)]^(3-)` and `[Co(NH_(3))_(6)]^(3+)` are octahedral complexes. Whereas former is paramagnetic, the latter is of diamagnetic nature. This is due to the reason the `F^(-)` ion has lesser `Delta_(0)` value as compared to `NH_(3)` molecule. | |