Oxidation state of Fe in brown ring complex `[Fe(H_(2)O)_5NO]^(2+)`

The oxidation state of Fe in brown complex [Fe(H_(2)O)_(5)NO]SO_(4) is

What is the magnetic moment ( spin only) and hybridisation of the brown ring complex [Fe(H_(2)O)_(5)NO]SO_(4) ?

What is the magnetic moment ( spin only) and hybridisation of the brown ring complex [Fe(H_(2)O)_(5)NO]SO_(4) ?

What is the coordination number and oxidation state of Al in the complex [AI(H_(2)O)_(4)(OH)_(2)]^(o+) ? .

Oxidation state of Fe in Fe_(3)O_(4) is:

Oxidation state of in Fe_(3)O_(4) is

The oxidation state of Fe in Fe(CO)_(5) is

Oxidation state of Fe in K_(4)[Fe(CN)_(6)]

Fe^(2+) (aq)+NO_(3)^(-) (aq)+H_(2)SO_(4) (conc.) to Brown ring The brown ring is due to the formation of complex, [Fe(H_(2)O)_(5)NO]SO_(4) . What is the oxidation state of iron in the complex ?

Oxidation number of Fe in violet coloured complex Na_(4)[Fe(CN)_(5)(NOS)] is :