Manipal Medical Manipal Medical Solved Paper-2013

  • question_answer
    Which one of the following species has maximum conductance in their aqueous solutions?

    A)  \[{{K}_{2}}PtC{{l}_{6}}\]

    B)  \[PtC{{l}_{4}}.2N{{H}_{3}}\]

    C)  \[PtC{{l}_{4}}.3N{{H}_{3}}\]

    D)  \[PtC{{l}_{4}}.5N{{H}_{3}}\]

    Correct Answer: D

    Solution :

     Greater the number of ions, greater the conductance. [a] \[{{K}_{2}}[PtC{{l}_{6}}]2{{K}^{+}}{{[Pt/C{{l}_{6}}]}^{2-}}\] (3 ions) [b] \[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{4}}]\] (No ions) [c] \[Pt{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]Cl[Pt{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]+C{{l}^{-}}\]      (two ions) [d]\[[Pt{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{3}}[Pt{{(N{{H}_{3}})}_{5}}Cl]+3C{{l}^{-}}\] (4 ions), It has maximum electrolytic conductance.


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