AMU Medical AMU Solved Paper-2007

  • question_answer
    Which of the following halides is least stable and has doubtful existence?

    A)  \[C{{I}_{4}}\]    

    B)  \[Ge{{I}_{4}}\]

    C)  \[Sn{{I}_{4}}\]                                 

    D)  \[Pb{{I}_{4}}\]

    Correct Answer: D

    Solution :

                     \[Pb{{I}_{4}}\] is least stable because of two reasons : (i) Size of iodine is biggest. (ii) + 2 oxidation state of Pb is more stable than + 4 oxidation state because of inert pair effect.


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