In the Brown Ring test for the nitrate () ion, a brown complex is formed. The chemical formula and t — Qualitative and Quantitative Analysis Chemistry Question
Question
In the Brown Ring test for the nitrate ($NO_3^-$) ion, a brown complex is formed. The chemical formula and the formal oxidation state of Iron in this complex are:
Answer: A
💡 Solution & Explanation
The brown ring complex is $[Fe(H_2O)_5NO]SO_4$. The nitrosyl ligand acts as $NO^+$, making the formal oxidation state of the central Iron atom $+1$.
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