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JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Wet Test for Basic Radical

  • question_answer
    A 0.3 M \[HCl\] solution contains the following ions \[H{{g}^{++}},\] \[C{{d}^{++}},\] \[S{{r}^{++}},\] \[F{{e}^{++}},\] \[C{{u}^{++}}\]The addition of \[{{H}_{2}}S\] to above solution will precipitate [CPMT 1973]

    A) Cd, Cu and Hg

    B) Cd, Fe and Sr

    C) Hg, Cu and Fe

    D) Cu, Sr and Fe

    Correct Answer: A

    Solution :

    The second group radicals will precipitate because their solubility product is very low so sulphates will be precipitated.


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