BHU PMT BHU PMT (Screening) Solved Paper-2007

  • question_answer
    Which is strongest acid?

    A)  \[HClO\]                             

    B) \[HCl{{O}_{2}}\]

    C)  \[HCl{{O}_{3}}\]                              

    D)  \[HCl{{O}_{4}}\]

    Correct Answer: D

    Solution :

                     \[HCl{{O}_{4}}\]is the strongest acid because oxidation state of chlorine atom is +7 while\[HClO,HCl{{O}_{2}},\text{ }HCl{{O}_{3}}\]have show oxidation states of chlorine atom +1,+3,+5 respectively. The order of acidity\[HClO<HCl{{O}_{2}}<HCl{{O}_{3}}<HCl{{O}_{4}}\]


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