a) State the hybridisation & magnetic behaviour of `[Cr(CO)_(6)]` b) What are the various factors affecting crystal field splitting energy? c) Which o

Question

a) State the hybridisation & magnetic behaviour of `[Cr(CO)_(6)]` b) What are the various factors affecting crystal field splitting energy? c) Which o

a) State the hybridisation & magnetic behaviour of `[Cr(CO)_(6)]`
b) What are the various factors affecting crystal field splitting energy?
c) Which of the two is more stable and why?
`K_(4)[Fe(CN)_(6)]` or `[K_(3)[Fe(CN)_(6)]`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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

a) Hybridisation state of Cr in the complex is `d^(2)sp^(3)`. It is octahedral and is diamagnetic.
c)`K_(3)[Fe(CN)_(6)]` is more stable than `K_(4)[Fe(CN)_(6)]` because Fe is in `+3` oxidation state while in the othe complex, it is in `+2` oxidation state. Moreover, the size of `Fe^(3+)` ion is smaller than that of `Fe^(2+)` ion. As a result, the ligands are held more closely by the `Fe^(3+)` ion than by `Fe^(2+)` ion.