1.

Atomic number of Mn, Fe, and Co are 25, 26, 27 and 28 respectively. Which of the following inner orbital octahedral compexes ions are diamagnetic ?

Answer»

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

Solution :(a) and (C ) are `d^(6)` (spin PAIRED)


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