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NEET Chemistry Analytical Chemistry Question Bank Self Evaluation Test - Analytical Chemistry

  • question_answer
    The cation that will not be precipitated by \[{{H}_{2}}S\] in the presence of dil. \[HCl\] is:

    A) \[P{{b}^{2+}}\]                     

    B) \[C{{u}^{2+}}\]

    C) \[C{{o}^{2+}}\]                     

    D) \[A{{s}^{3+}}\]

    Correct Answer: C

    Solution :

    [c] \[C{{o}^{+2}}\] ion is precipitated by \[{{H}_{2}}S\] in presence of \[N{{H}_{4}}OH\] which is a group reagent of group IV in cationic analysis.


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