JEE Main & Advanced Sample Paper JEE Main Sample Paper-45

  • question_answer
    \[{{K}_{2}}[Hg{{l}_{4}}]\] detects the ion/group

    A)  \[N{{H}_{2}}\]                    

    B)  \[NO\]

    C)  \[NH_{4}^{+}\]                 

    D)  \[C{{l}^{-}}\]

    Correct Answer: C

    Solution :

     with \[NH_{4}^{+}\,{{K}_{2}}Hg{{I}_{4}}\] gives brown precipitate.


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