DUMET Medical DUMET Medical Solved Paper-2009

  • question_answer
    The crystal field stabilization energy (CFSE) is the highest for

    A)  \[{{[Co{{F}_{4}}]}^{2-}}\]         

    B)  \[{{[Co{{(NHS)}_{4}}]}^{2-}}\]

    C)  \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\]    

    D)  \[{{[CoC{{l}_{4}}]}^{2-}}\]

    Correct Answer: C

    Solution :

    \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] Shows octahedral crystal field. According to crystal field theory, octahedral crystal field show higher CFSE. Therefore, \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] shows the highest CFSE among the given complex ions.


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