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Question
Write down the number of 3d electrons in the following ion:
V2+
Indicate how would you expect the five 3d orbitals to be occupied for this hydrated ions (octahedral).
Short Answer
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Solution 1
| Metal ion | Number of d-electrons | Filling of d-orbitals |
| V2+ | 3 | \[\ce{t^3_{2g}}\] |
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Solution 2
V2+: 3d3
Filling of orbitals in octahedral hydrated ion:
V2+: \[\ce{t^3_{2g}}\]
| eg | |||
| ↑ | ↑ | ↑ | t2g |
(3 unpaired electrons)
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Chapter 4: The d-block and f-block Elements - Exercises [Page 117]
