A) \[{{[Fe{{(CN)}_{6}}]}^{4-}}\]
B) \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]
C) \[Ni{{(CO)}_{4}}\]
D) \[{{[PdC{{l}_{4}}]}^{2-}}\]
Correct Answer: B
Solution :
According to Sedgwick, EAN = atomic number of nearest noble gas Incase of\[{{[Fe{{(CN)}_{6}}]}^{3-}},\] \[EAN=26-3+2\times 6\] \[=35\] While, the atomic number of nearest noble gas is 36. Thus, it does not follow EAN rule.
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