VMMC VMMC Medical Solved Paper-2011

  • question_answer
    Which of the following complex is octahedral in shape?

    A) \[{{[Fe{{(CN)}_{6}}]}^{-3}}\]                      

    B) \[{{[Zn{{(N{{H}_{3}})}_{4}}]}^{2+}}\]

    C)         \[[Ni{{(CO)}_{4}}]\]       

    D)         \[{{[(CuC{{l}_{4}})]}^{2-}}\]

    Correct Answer: A

    Solution :

    after rearrangement in the presence \[\text{C}{{\text{N}}^{-}},\] the resulting complex will be octahdedral due to \[{{d}^{2}}s{{p}^{3}}\] hybridisation and paramagnetic due to one unpaired electron.


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