1.

The brown ring complex compound is formulated as [Fe(H_2O)_5NO]SO-4 The oxidation states of iron is

Answer»

`+1`
`+2`
`+3`
`+4`

SOLUTION :`[Fe(H_2O)_5NO]SO_4 hArr X + 5(0) + 1-2 = 0 rArr x =1`


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