ap chemistry

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Given the following information, which of
the following shows the acids in order from
strongest to weakest? The order of atomic
radii is I > Br > Cl, the order of bond
strengths is HOI > HOBr > HOCl, and the
order of electronegativities is Cl > Br > I.

  • ap chemistry -

    1. HOI > HOBr > HOCl
    2. HOCl > HOBr > HOI
    3. HOBr > HOCl > HOI
    4. None of these
    5. HOI > HOCl > HOBr

  • ap chemistry -

    #2 should be right.
    Ka for HOCl = about 3E-8
    Ka for HOBr = about 3E-9
    Ka for HOI = about 3E-11

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