A) \[{{[Co{{F}_{6}}]}^{3-}}\]
B) \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]
C) \[{{[Fe{{(CN)}_{6}}]}^{3-}}\]
D) \[{{[Cr{{(N{{H}_{3}})}_{6}}]}^{3+}}\]
Correct Answer: A
Solution :
Electronic configuration of\[C{{o}^{2+}}\]ion \[{{F}^{-}}\]is a weak ligand. It cannot pair up electrons with \[d-\]subshell and forms outer orbital octahedral complex. \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]ion \[N{{H}_{3}}\]and\[C{{N}^{-}}\]are strong ligands. So, they form inner orbital complex.You need to login to perform this action.
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