(a) What type of isomerism is shown by the complex `[Co(NH_(3))_(5)(SCN)]^(2+)`? (b) why is `[NiCl_(4)]^(2-)` paramagnetic while `[Ni(CN)_(4)]^(2-)` i

Question

(a) What type of isomerism is shown by the complex `[Co(NH_(3))_(5)(SCN)]^(2+)`? (b) why is `[NiCl_(4)]^(2-)` paramagnetic while `[Ni(CN)_(4)]^(2-)` i

(a) What type of isomerism is shown by the complex `[Co(NH_(3))_(5)(SCN)]^(2+)`?
(b) why is `[NiCl_(4)]^(2-)` paramagnetic while `[Ni(CN)_(4)]^(2-)` is diamagnetic ? (Atomic number of Ni=28)
(c) Why are low spin tetrahedral complexes rarely observed?

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(a) It exhibits linkage isomerism . For details, consult section 6 .
(b) For answer, consult sectiuon 10 .
(c) In tetrahedral complexes , unpaired electrons exits as odd electrons since electrons pairing is distablised. Infact, they have weak splittting since none of the ligands lie within the plane of the orbitals. as a result , tetrahedral complexes generally exist as high spin complexes .