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
ncG1vNJzZmivp6x7u7PRZ6WerF%2Bau3DDyKSgaJldpby0tdOirZ5lkqe8uLqMq6Cnn12psrTAjKKlnaGTlsGmv4ytn55loKeytLHNnJxmp5Zk