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

  • question_answer Which of the hydrogen halides forms salts like \[KH{{X}_{2}}\](where X is a halogen atom)  [Kerala PMT 2004]

    A) HF

    B) HCl

    C) HI

    D) HBr

    E) All of these

    Correct Answer: A

    Solution :

    Due to highest electronegativity of fluorine the anion \[{{[F---H-F]}^{-}}\]exists as a result of strong hydrogen bond by which \[{{K}^{+}}\] associate to form \[KH{{F}_{2}}\].

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