JEE Main & Advanced Chemistry The p-block Elements-II Question Bank Halogen Family

  • question_answer The strongest acid amongst the following is [IIT 1989]

    A) \[HCl{{O}_{4}}\]

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

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

    D) \[HClO\]

    Correct Answer: A

    Solution :

           \[+7\]          \[+5\]            \[+3\]           \[+1\]    \[HCl{{O}_{4}}>\] \[HCl{{O}_{3}}>\] \[2Cu{{I}_{2}}\,\to \,\underset{\text{Cuprous iodide}\,\,\,\,\,\,\,\,\,\,}{\mathop{2CuI\,\,\,\,\,\,\,+\,\,\,\,\,{{I}_{2}}}}\,\] \[HClO\] As the oxidation no. of halogen increases acidic character increases.


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