A) \[{{[Fe{{(CN)}_{6}}]}^{4-}}\]
B) \[{{[Mn{{(CN)}_{6}}]}^{4-}}\]
C) \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]
D) \[{{[Ni{{(N{{H}_{3}})}_{6}}]}^{2+}}\] (Atomic numbers\[Mn=25,\text{ }Fe=26,\text{ }Co=27,\] \[Ni=28\])
Correct Answer: D
Solution :
(a) (b) (c) (d) In this case also\[N{{H}_{3}}\]is a strong ligand but electrons remain unpaired since only one orbital is left vacant in\[3d\]. ThusYou need to login to perform this action.
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