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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Which compound does not dissolve in hot dilute \[HN{{O}_{3}}\] [DCE 2002; NCERT 1977]

    A) \[HgS\]

    B) \[CuS\]

    C) \[PbS\]

    D) \[CdS\]

    Correct Answer: A

    Solution :

    HgS is soluble in aqua-regia and it is insoluble in hot dil. \[HN{{O}_{3}}\].


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