RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    The correct order of relative acidity is:

    A) \[HClO>HCl{{O}_{2}}>HCl{{O}_{3}}>HCl{{O}_{2}}\]

    B) \[HCl{{O}_{4}}>HCl{{O}_{3}}>HCl{{O}_{2}}>HClO\]

    C) \[HClO>HCl{{O}_{4}}>HCl{{O}_{2}}>HCl{{O}_{3}}\]

    D) \[HCl{{O}_{3}}>HCl{{O}_{2}}>HCl{{O}_{4}}>HClO\]

    Correct Answer: B

    Solution :

    The acidic character of oxiacids increases with the increase in the oxidation number. \[HCl{{O}_{4}}\]is the strongest acid because it has \[+7\] oxidation number, while \[HClO\] is weakest one due to + 1 oxidation state. So, the correct order of relative acidic is                 \[HCl{{O}_{2}}>HCl{{O}_{3}}>HCl{{O}_{2}}>HClO\]


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