A) \[{{[NiC{{l}_{4}}]}^{2-}}\]
B) \[{{[Ni\,{{(CN)}_{4}}]}^{2-}}\]
C) \[{{[CoC{{l}_{4}}]}^{2-}}\]
D) \[{{[Co{{F}_{6}}]}^{2-}}\]
E) None of these
Correct Answer: B
Solution :
\[{{[Ni{{(CN)}_{4}}]}^{2-}}\] \[x-4=-\,2\] \[x=4-2=+2\] \[x=+\,2\] \[N{{i}^{2+}}={{d}^{8}}\] and \[C{{N}^{-}}\] is strong field ligand due to which pairing of electron occur. \[\therefore \,{{[Ni{{(CN)}_{4}}]}^{2-}}\]is diamagnetic.You need to login to perform this action.
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