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NEET Sample Paper NEET Sample Test Paper-41

  • question_answer
    The compound used for gravimetric estimation of Cu(II) is:

    A) \[C{{u}_{2}}{{\left( SCN \right)}_{2}}\]            

    B) Cup

    C) \[C{{u}_{2}}{{I}_{2}}\]                      

    D) \[C{{u}_{2}}C{{O}_{3}}\]

    Correct Answer: A

    Solution :

    It is a white precipitate and is used for the gravimetric estimation of Cu(II) by first reducing it with 112803 and then complexing Cu(I) thus obtained with \[{{\operatorname{SCN}}^{-}}\].


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