JEE Main & Advanced Sample Paper JEE Main Sample Paper-14

  • question_answer
    The species having tetrahedral shape is

    A)  \[{{[PbC{{l}_{4}}]}^{2-}}\]                           

    B)  \[{{[Ni\,{{(CN)}_{4}}]}^{2-}}\]

    C)  \[{{[Pb\,{{(CN)}_{4}}]}^{2-}}\]  

    D)  \[{{[NiC{{l}_{4}}]}^{2-}}\]

    Correct Answer: D

    Solution :

     Only \[{{[NiC{{l}_{4}}]}^{2-}}\] has tetrahedral structure while others show square planar structure. This is because of the involvement of \[s{{p}^{3}}\] hybridised orbital as \[C{{l}^{-}}\] is weak field ligand (hence, \[(n-1)\] orbitals of Ni are not available for overlapping).

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