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Which of the folliwing complex is inner ...

Which of the folliwing complex is inner orbital as well as low spin complex? .

A

`[Cr(H_(2)O)_(6)]^(3+)`

B

`[Fe(CN)_(6)]^(3-)`

C

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

D

`[Mn(NH_(3))_(6)]^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
`[Cr^(III)(H_(2)O)_(6)]^(3+)` , Hybridisation `d^(2) sp^(3)`
Inner orbital complex
`Fe^(+III)(CN)_(6)]^(3-) , PltDelta_(0)` Hybrisation `d^(2) sp^(3)` Inner orbital / low spin / spin paired complex `[Cu^(+I)(CN)_(4)]^(3+)` Hybrisation `sp^(3)`
`[Mn(H_(2)O)_(6)]^(2+)`
`P ltDelta_(0)` Hybridisation `sp^(3) d^(2)`
Outer orbital / high spin / spin free complex .
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