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In Which of the following pair fo comple...

In Which of the following pair fo complexes the central metal/ions do have same effective atomic number ?

A

`[Cr(CO)_(6)] and [Fe(CO)_(5)]`

B

`[Co(NH_(3))_(6)]^(2+) and [Ni(NH_(3))_(6)]^(2+)`

C

`[Cu(CN)_(4)]^(3-) and [Ni(CO)_(4)]`

D

`[V(CO)_(6)]^(-) and [Co(NO_(2))_(6)]^(3-)`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
(A) EAN of Cr=24+12=36 and EAN of Fe=26+10=36
(B) EAN of `Co^(3+)`=256+12=37 and EAN of `Ni^(2+)`=26+12=38
( C) EAN of `Cu^(+)`=28+12=36 and EAN of Ni=28+8=36.
(D) EAN of `V^(-)`=24+12=36 and EAN of `Co^(3+)`=24+12=36
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