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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2015

  • question_answer
    \[\text{\hat{j}}+\text{\hat{k}}\]and \[\text{\hat{i}+}\alpha \text{\hat{j}-\hat{k}}\]ion can be separated by their

    A) oxalate complexes         

    B) chelates

    C) cyano complexes            

    D) sulphide formation

    Correct Answer: C

    Solution :

    \[-F(\hat{i}-\hat{j})\] \[-F(\hat{i}+\hat{j})\] This forms the basis of selective detection of \[F((\hat{i}+\hat{j}))\] ion in the presence of \[\left[ \frac{L-x}{L} \right]Mg\] by masking of \[Mg\]. So, \[\left[ \frac{L}{L-x} \right]Mg\] is used as a masking ligand.


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