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

  • question_answer Which of the following has greatest reducing power [CPMT 1984, 88, 89, 94]

    A) \[HI\]

    B) \[HBr\]

    C) \[HCl\]

    D) \[HF\]

    Correct Answer: A

    Solution :

    \[B{{r}_{2}}+2KI\,\to \,{{I}_{2}}+2KBr\] is the strongest reducing agent among halogen acids because of lowest bond dissociation energy.

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