1.

What will be the theoritical value of spin only magnetic moment when Fe(SCN)_(3) reacts with a solution containing F ion to yield a complex

Answer»

2.83 BM
3.87 BM
5.92 BM
1.73 BM

Solution :Both `SCN^(-)` and `F^(-)` are weak field LIGANDS. So, Fe(III) will have `t_(2g)^(3)e_(G)^(2)`configuration, with 5 unpaired electrons.
`mu_(s)=SQRT(n(n+2))=sqrt(5(5+2))=5.92 BM`.


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