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| 1. |
[CoF_(6)]^(3-) forms outer orbital complexes while (Co(CN)_(6)]^(3-)forms inner orbital complexes. Why |
| Answer» Solution :In`[CoF_(6)^(3-)` FIONS provide a weak LIGAND field and therefore unpaired electrons of cobalt do not get PAIRED. As a result, the orbitals of outer shell are used in hybridization `(sp^(3)d^(2)`. On the contrary, in `[CO(CN)_(6)]^(3+)` the strong ligand field of `CN^(-)` forces the PAIRING of electrons, in inner shell VACATING the inner d-orbitals for hybridization `(d^(2)sp^(3))` | |