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Amongst the following ions which one has...

Amongst the following ions which one has the highest magnetic moment value?
(i) `[Cr(H_(2)O)_(6)]^(3+)` (ii) `[Fe(H_(2)O)_(6)]^(2+)`
(iii) `[Zn(H_(2)O)_(6)]^(2+)`

Text Solution

Verified by Experts

Electronic configuration of
(i) `Cr^(3+)=3d^(3)`, unpaired `e^(-)(n)=3`
(ii) `Fe^(2+)=3d^(6),n=4`
`Zn^(2+)=3d^(10),n=0`
From `mu=sqrt(n(n+2))` BM
`Fe^(2+)` has the highest magnetic moment value.
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