1.

[Fe(H_(2)O_(3))_(5)NO]^(2+) is a complex formed during the brown ring test for NO_(3)(-) ion. In this complex,

Answer»

there are there unpaired ELECTRONS so that its MAGNETIC moment is 3.87 B.M.
NO transfers its ELECTRON to `Fe^(2+)` so that IRON exists as Fe (I) and NO as `NO^(+)`
the colour is because of charge transfer
all of the above statements are correct

Solution :`:overset(*)N=underset(* *)O:to:overset(+)N=underset(* *)O:+e^(-)`
`Fe^(2+)e^(-)toFe^(+)`

`:.` Magnetic moment of `Fe^(+)=sqrt(n(n+2))BM`
`=sqrt(3xx5)BM=3.87BM`
All statements are correct.


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