NEET Sample Paper NEET Sample Test Paper-19

  • question_answer Nessler's reagent is used for the test of

    A) \[S{{O}_{4}}\]                                 

    B) \[C{{O}_{3}}\]

    C) \[N{{H}^{+}}_{4}\]                      

    D) \[C{{O}_{2}}\]  

    Correct Answer: C

    Solution :

    Nessler's reagent \[{{K}_{2}}Hg{{I}_{4}}\]is used to detect the presence of\[N{{H}_{4}}^{+}\].When the given salt is warmed with  small amount of NaOH; a gas is  given out which gives a brown precipitate. Hence, the correct option is [c].


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