**Statement I:** Nitrite () gives a brown ring test with dilute acid. **Statement II:** Nitrate () requires concentrated for the brown ring test.

Question

**Statement I:** Nitrite ($NO_2^-$) gives a brown ring test with dilute acid. **Statement II:** Nitrate ($NO_3^-$) requires concentrated $H_2SO_4$ for the brown ring test.

Prashant Kotian · Accepted Answer

Correct answer: A. Nitrites are more easily reduced and can perform the ring test with dilute acetic or sulphuric acid. Nitrates are more stable and require the strong dehydrating and acidic environment of concentrated to form the brown ring.

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