A positive brown ring test indicates the presence of

A positive brown ring test indicates the presence of

  • A.
    NO 3
  • B.
    Fe 3+
  • C.
    SO 2-3
  • D.
    CU+
  • E.
    NO–2
Correct Answer: Option A
Explanation

Brown ring test is used for the detection of nitrate ions in a solution. As the name suggests it detects presence of nitrate ions by formation of brown ring

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