JEE Main & Advanced Sample Paper JEE Main Sample Paper-13

  • question_answer
    Which of the following leaves a black residue on addition of \[N{{H}_{3}}\]?

    A)  \[AgCl\]                              

    B)  \[PbC{{l}_{2}}\]

    C)  \[H{{g}_{2}}C{{l}_{2}}\]                

    D)  \[HgC{{l}_{2}}\]

    Correct Answer: C

    Solution :

    \[H{{g}_{2}}C{{l}_{2}}+2N{{H}_{4}}OH\to Hg+Hg(N{{H}_{2}})Cl\] \[K=\frac{E}{2}\]


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