In which complex, \[{{d}_{z}}2\] orbital of inner shell is not used in – McqOptions

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1.	In which complex, \[{{d}_{z}}2\] orbital of inner shell is not used in the hybridization of central metal cation
A.	\[Fe{{\left( CO \right)}_{5}}\]
B.	\[{{[Cu{{(N{{H}_{3}})}_{5}}]}^{2+}}\]
C.	\[{{[Co{{(N{{H}_{3}})}_{6}}]}^{2+}}\]
D.	\[{{[Ir{{F}_{6}}]}^{3-}}\]
Answer» C. \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{2+}}\]

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