SATHEE: Coordination Compounds - Result Question 61

Coordination Compounds - Result Question 61

####68. Among $[N i (C O)_{4}], [N i (C N)_{4}]^{2 -}, [N i C l_{4}]^{2 -}$ species, the hybridization states of the Ni atom are, respectively (At. No. of $N i = 28$ )

[2004]

(a) $s p^{3}, d s p^{2}, d s p^{2}$

(b) $s p^{3}, d s p^{2}, s p^{3}$

(d) $d s p^{2}, s p^{3}, s p^{3}$

Show Answer

Solution:

(b) $_{28} N i$ :

$N i$ in $[N i (C O)_{4}]$ :

Remember $C O$ is a strong ligand

$N i^{2 +}$ :

$N i^{2 +}$ in $[N i (C N)_{4}]^{2 -}$

Remember $C N^{-}$ is also a strong ligand $N i^{2 +}$ in $[N i C l_{4}]^{2 -}$

$C l^{-}$ is a weak ligand, hence no pairing of electrons takes place

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Coordination Compounds - Result Question 61

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