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Find total number of d- electron (s) in ...

Find total number of `d`- electron (s) in metal ion complex `[M(NH_(3))_(4)]^(2+).["EAN of metal"=35]`

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Verified by Experts

The correct Answer is:
9
Atomic number of metal `=29`
`Cu=3d^(10)4s^(1)`
`Cu^(2+)=3d^(9)`
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