1.

Which of the following complexes does not obey EAN rule ?

Answer»

`Cr(CO)_(6)`
`[Fe(CN)_(6)]^(4-)`
`[Cr(NH_(3))_(6)]^(3+)`
`[NI(CO)_(4)]`.

Solution :`(A) EAN=24+12=36`,
`(B)EAN=24+12=36`
`(C )EAN=21+12=33`
`(D)EAN=28+8=36`
For `[Cr(NH_(3))_(6)]^(3+)` EAN RULE is not obeyed.


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