B. Write the electron configuration and orbital diagram for each on and determine whether each is diamagnetic or paramagnetic
1) AI ³+
2) Fe³+
3) S²-
4) Ca²-
5) Co³+
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B. Write the electron configuration and orbital diagram for each on and determine whether each is diamagnetic or paramagnetic
1) AI ³+
2) Fe³+
3) S²-
4) Ca²-
5) Co³+
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Answer:
Since, in all the complexes of Cr,Mn,Fe and Ni, ligand is water so 6 electrons would be pairing with the central metal atom. In case of Nickel the d electronic configuration is 3d
8
.
i.e. (Refer to Image)
Since, Ni has only two unpaired electrons so it shows minimum paramagnetic behaviour. Other have more than two unpaired electrons so they will show more paramagnetic behaviour.
Verified answer
Answer:
Electronic Configuration
1. 1s2, 2s2, 2p6
2. 1s2 2s2 2p6 3s2 3p6 3d5
3. 1s2 2s2 2p6 3s2 3p4
4. 1s2 2s2 2p6 3s2 3p6
5. [Ar]4s3d5