Saved Bookmarks
| 1. |
Which of the following has maximum number of unpaired electrons:A. `Fe^(2+)`B. `Fe^(3+)`C. `Se^(3+)`D. `Cu^(2+)` |
|
Answer» `Fe^(+3)=[Ar]_(18)3d^(5)` (5 unpaired electron) `Fe^(+2)=[Ar]_(18)3d^(6)`(4 unpaired electron) `Se^(+3)=[Ar]_(18)` (0 unpaired electron) `Cu^(+2)=[Ar]_(18)3d^(9)` (1 unpaired electron) |
|