RAJASTHAN PMT Rajasthan - PMT Solved Paper-2007

  • question_answer
    \[{{K}_{2}}Hg{{l}_{4}}\] is used to lest the following

    A) \[NH_{4}^{+}\]                

    B)        \[Cl\]

    C)        \[Br\]                                   

    D)        \[I\]

    Correct Answer: A

    Solution :

    Nesslers reagent is\[{{K}_{2}}[Hg{{I}_{4}}]\]. It is used in identification of \[NH_{4}^{+}\] in inorganic salt analysis. The compounds having \[NH_{4}^{+}\] ion give brown ppt. when Nesslers reagent and \[KOH\] is added.


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