Question:

$\text{The oxidation number of iron in the compound formed during brown ring test for NO}_3^-\text{ ion is \_\_\_\_\_\_.}$

Updated On: Nov 15, 2024
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Correct Answer: 1

Solution and Explanation

In the brown ring test for nitrates, the compound formed is:  
\([\text{Fe(H}_2\text{O)}_5(\text{NO})]^{2+}.\)

The oxidation number of Fe in this complex is:  
\(+1\)

The Correct Answer is: +1

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