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NEET Sample Paper NEET Sample Test Paper-48

  • question_answer
    Which compound does not dissolve in hot dilute\[{{\operatorname{HNO}}_{3}}\]?

    A) \[\operatorname{HgS}\]                         

    B) \[\operatorname{PbS}~\]

    C) \[\operatorname{CuS}\]                         

    D) \[\operatorname{CdS}\]

    Correct Answer: A

    Solution :

    HgS HgS does not dissolve in hot dil. \[{{\operatorname{HNO}}_{3}}\]while all other sulphides (PbS, CuS, CdS) dissolve in hot dil. HNOs forming their corresponding nitrates.


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