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

  • question_answer
    Which is the most volatile compound [CPMT 1979; AIIMS 1980; DPMT 1982; Kurukshetra CEE 1998; J & K CET 2005; DPMT 2002]

    A) \[HF\]

    B) \[HCl\]

    C) \[HBr\]

    D) \[HI\]

    Correct Answer: B

    Solution :

    Hydride -      HF      HCl      HBr     HI (in K) -  293     189      206     238 Because of having low b.p. HCl is more volatile.

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