JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Valency and oxidation state

  • question_answer Which of the following halogen acids is least acidic   [RPET 2003]

    A) HI

    B) HCl

    C) HF

    D) HBr

    Correct Answer: C

    Solution :

    \[HF\] is least acidic due to the small size of fluorine.


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