1.

Which of the following complex is an outer orbital complex?A. (a) `[Co(CH_3)_6]^(3+)`B. (b) `[Mn(CN)_6]^(4-)`C. (c) `[Fe(CN)_6]^(4-)`D. (d) `[Ni(NH_3)_6]^(2+)`

Answer» Correct Answer - D
`{:("Complex ion",,,"Hybridiidization of central atom",),([Fe(CN)_6]^(4-),,,d^2sp^3(i n n er),),([Mn(CN)_6]^(4-),,,d^2sp^3(i n n er),),([Co(NH_3)_6]^(3+),,,d^2sp^3(i n n er),),([Ni(NH_3)_6]^(2+),,,sp^3d^2(outer),):}`


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