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  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    Brown ring in the test of \[\text{NO}_{3}^{-}\] is formed due to the formation of:

    A)  \[FeS{{O}_{4}}.NO\]                     

    B)  \[[Fe{{(S{{O}_{4}})}_{2}}.NO]{{H}_{2}}O\]

    C)  \[F{{e}_{2}}{{(S{{O}_{4}})}_{3}}.NO\]

    D)  none of these

    Correct Answer: A

    Solution :

                     Brown ring in the ring-test of \[\text{NO}_{3}^{-}\] is formed due to the formation of \[FeS{{O}_{4}}.NO\] at the junction of two liquids.


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