Nitrate is confirmed by ring test. The brown colour of the ring is due – InterviewSolution

1.	Nitrate is confirmed by ring test. The brown colour of the ring is due to the formation of
Answer» Ferrous nitrite `FeSO_(4).NO` `FeSO_(4).NO_2` Ferrous nitrate Solution :`FeSO_(4) +NO to FeSO_(4).NO` brown ring is due to COMPLEX `FeSO_(4).NO`

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