SATHEE: Coordination Compounds - Result Question 68

Coordination Compounds - Result Question 68

####75. Which one of the following will show paramagnetism corresponding to 2 unpaired electrons?(Atomic numbers : $N i = 28, F e = 26$ )

(a) $[F e F_{6}]^{3 -}$

(b) $[N i C l_{4}]^{2 -} [1999]$

(c) $[F e (C N)_{6}]^{3 -}$

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

Show Answer

Solution:

(b) $A s$ in $[N i C l_{4}]^{- 2}$ , chloride ion being a weak ligand is not able to pair up the $d - e^{-} s$ .

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