A) \[{{[CoC{{l}_{2}}]}^{2-}}-\]tetrahedral
B) \[[Co\,{{(PM{{e}_{3}})}_{4}}]-\]tetrahedral
C) \[{{[Co\,{{(CN)}_{4}}]}^{3\,-}}-\] tetrahedral
D) \[{{[Fe\,{{(CO)}_{4}}]}^{2\,-}}-\]square planar
Correct Answer: D
Solution :
A, B and C are correctly matched. |
[d] - tetrahedral, CO stronger ligand, so pairing of electrons occurs, (source C.W.M.B). |
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