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the number of unpaired electrons in the complex ion [CoF6]3-

the number of unpaired electrons in the complex ion [CoF6]3-

Grade:12th pass

1 Answers

Anshul Gupta
36 Points
8 years ago
Oxidation State of Co here is 3+.
Writing coniguration of Co3+ : [Ar]18 3d6  Now F- is a weak ligand. Therefore pairing of unpaired electrons will not take place. Hybridisation will be sp3d2 and no. of unpaired electrons will be same as in Co3+ =4.

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