What may be the stable oxidation state of the transition element with the following d electron configurations in the ground state of their atoms: 3d3, 3d5, 3d8 and 3d4?
For answering this question, we can compare the electronic configuration of standard elements and then write their corresponding oxidation states.
S. No | Electronic configurations in ground state | Stable oxidation states |
1 | 3d3 Vanadium | +2,+3,+4,+5 |
2 | 3d5 Chromium | +3,+4,+6 |
3 | 3d5 Manganese | +2,+4,+6,+7 |
4 | 3d8 Nickel | +1,+2,+3,+4 |
5 | 3d4 | 3d4 configuration is not stable at ground state |