MCQOPTIONS
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| 1. |
The number of unpaired electrons in the complex ion \[{{[Co{{F}_{6}}]}^{3-}}\] is (Atomic no. of \[Co=27)\] [CBSE PMT 2003] |
| A. | Zero |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |