1.

In which of the following complexes, the EAN is NOT equal to the atomic number of Krypton ?

Answer»

`[Co(NH_3)_6]^(3+)`
`[Zn(NH_3)_4]^(2+)`
`[Ni(CO)_(4)]`
`[FE(CN)_6]^(3-)`

Answer :D


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