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The d-electronic configuration of an octahedral Co(II) complex having magnetic moment of 3.95 BM is :

1. 1 g 6 g 2 e t
2. 0 g 3 g 2 e t
3. 2 g 5 g 2 e t
4. 3 2 4 t e

Correct answer: 2 g 5 g 2 e t

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