Q.
$\left(Na\right)_{2}S+\left(Na\right)_{2}\left[Fe \left(CN\right)_{5} NO\right] \rightarrow \left(Na\right)_{4}\left[Fe \left(CN\right)_{5} NOS\right]$
Find sum of oxidation number of $Fe$ in reactant (complex) and product (complex) are.
NTA AbhyasNTA Abhyas 2022
Solution: