Jee Main
Coordination Compounds
JEE Main 2022 (Online) 30th June Morning Shift
INTEGER+4 / -12022
In the following brown complex, the oxidation state of iron is +_____________.
\({[Fe{({H_2}O)_6}]^{2 + }} + NO \to \mathop {{{[Fe{{({H_2}O)}_5}(NO)]}^{2 + }}}\limits_{\text{Brown complex}} + {H_2}O\)