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

  • question_answer Which has the highest molar heat of vaporisation [CPMT 1991]

    A) \[HF\]

    B) \[HCl\]

    C) \[HBr\]

    D) \[HI\]

    Correct Answer: D

    Solution :

    In case of HI due to large size of iodine strong Vander Waal forces are present. Hence, it has highest molar heat of vaporisation.

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