Coordination Compounds - Result Question 68
####75. Which one of the following will show paramagnetism corresponding to 2 unpaired electrons?(Atomic numbers : $Ni=28, Fe=26$ )
(a) $[FeF_6]^{3-}$
(b) $[NiCl_4]^{2-}[1999]$
(c) $[Fe(CN)_6]^{3-}$
(d) $[Ni(CN)_4]^{2-}$
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Solution:
- (b) $As$ in $[NiCl_4]^{-2}$, chloride ion being a weak ligand is not able to pair up the $d-e^{-} s$.
