NEET NEET SOLVED PAPER 2019

  • question_answer
    Which of the following species is not stable? [NEET 5-5-2019]

    A) \[{{\left[ Sn{{(OH)}_{6}} \right]}^{2}}\]           

    B)   \[{{\left[ SiC{{l}_{6}} \right]}^{2}}\]

    C) \[{{\left[ Si{{F}_{6}} \right]}^{2}}\]                 

    D) \[{{\left[ GeC{{l}_{6}} \right]}^{2}}\]

    Correct Answer: B

    Solution :

    \[SiCl_{6}^{-2}\]does not exist due to small size of Si and steric linderance of 6 Cl atoms


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