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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    When \[{{H}_{2}}S\] is passed through a mixture containing  \[C{{u}^{+2}},\] \[N{{i}^{+2}},\] \[Z{{n}^{+2}}\]in acidic solution then ion will precipitate:

    A)  \[C{{u}^{+2}},N{{i}^{+2}}\]

    B) \[N{{i}^{+2}}\]

    C)  \[C{{u}^{+2}},Z{{n}^{+2}}\]     

    D)  \[C{{u}^{+2}}\]

    Correct Answer: D

    Solution :

    When \[{{H}_{2}}S\] gas is passed through the mixture of \[C{{u}^{+2}},\] \[N{{i}^{+2}}\]and \[Z{{n}^{+2}}\] in acidic solution, \[C{{u}^{+2}}\]ions get precipitated.


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