AIIMS AIIMS Solved Paper-2010

  • question_answer
    The type of hybrid orbitals used by iodine atom in hypoiodous acid molecule are

    A) \[s{{p}^{3}}\]                    

    B)        \[s{{p}^{2}}\]                    

    C) \[sp\]                   

    D)        \[s{{p}^{3}}d\]

    Correct Answer: A

    Solution :

    Word hypo reveals that in it I is in + 1 oxidation state, ie, it is iodous (I) acid or \[HOI\]. In \[HOI\], number of hybrid orbitals \[=\frac{1}{2}[7+1-0+0]=4\] \[\therefore \] In it, iodine atom uses sp3 hybrid orbitals.


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