JCECE Medical JCECE Medical Solved Paper-2015

  • question_answer
    Which of the following compounds has same oxidation state of the central metal atom in the cationic and anionic part?

    A) \[[Pt{{(N{{H}_{3}})}_{4}}][PtC{{l}_{6}}]\]

    B)  \[[Pt(p{{y}_{4}})][PtC{{l}_{4}}]\]

    C)  \[[Pt(N{{H}_{3}})C{{l}_{2}}][PtC{{l}_{4}}]\]

    D)  \[{{K}_{4}}[Ni{{(CN)}_{6}}]\]

    Correct Answer: B

    Solution :

     Let the oxidation state of Pt is \[x.\] \[[Pt{{(py)}_{4}}][PtC{{l}_{4}}]\] \[x+0\times 4+x+(-1)\times 4=0\] \[2x=4\]\[\Rightarrow \]\[x=+\,2\] Thus, it is the complex in which the central metal atom, Pt in cationic and amionic parts has same oxidation state.


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