JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Wet Test for Acid Radical

  • question_answer
    A brown ring appears in the test for [EAMCET 1978; KCET 1991; Bihar CEE 1995; AIIMS 1996; DCE 1999]

    A) Nitrate

    B) Nitrite

    C) Bromide

    D) Iron

    Correct Answer: A

    Solution :

    At the junction of salt solution and FeSO4 solution with conc. H2SO4 a brown ring is obtained\[\underset{\text{Brown ring}}{\mathop{(FeS{{O}_{4}}.NO)}}\,\]


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