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The magnetic moment of a complex ion is ...

The magnetic moment of a complex ion is `2.83BM` The complex ion is
`[Cr(H_(2))O)_(6)]^(3+)`
(b) `[Cu(CN)_(6)]^(2-)`
(c ) `[V(H_(2)O))_(6)]^(3+)`
(d) `[MnCI_(4)]^(2-)` .

Text Solution

Verified by Experts

The correct Answer is:
c
Given `mu =2.83 = sqrt(n(n + 2)`
`impliessqrt(n(n+2))~~2sqrt2impliesn=2`
`[V(H_(2)O))_(6)]^(3+),V` is in `+3 OS` and its configuration is `3d^(2)i.e, `n=2` .
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