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    JEE Mains 2026: Most Scoring Topics in Chemistry, Chapter-wise Weightage
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    Halogen hydrides - Practice Questions & MCQ

    Edited By admin | Updated on Sep 18, 2023 18:35 AM | #JEE Main

    Quick Facts

    • General properties of Hydrides of Group 17 is considered one of the most asked concept.

    • 13 Questions around this concept.

    Solve by difficulty

    QuestionEASY

    The most polar H-X molecule is 

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    Which of the following has highest boiling point

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    The correct order of $P^H$ of 0.1 M HX acid is

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    Concepts Covered - 0

    General properties of Hydrides of Group 17
    • HF is a low boiling liquid due to intermolecular hydrogen bonding. The volatility order of these hydrides follow the given order:
      HCl > HBr > HI > HF
      Thus, the boiling point order would be reverse of this order:
      HF > HI > HBr > HCl
    • As we move down the group, the bond length between the hydrogen and the halogen element increases. Thus, thermal stability, bond strength and dipole moment decrease down the group and follow the order given below:
      HF > HCl > HBr > HI
    • As the bond length increases down the group, the bond dissociation energy decreases
    • The reducing character and acidic strength of hydrides increase down the group.

    Study other Related Concepts

    Halogen hydrides Current Topic

    Physical Properties of Boron Family
    Anomalous Behaviour of Boron
    Diagonal Relationship of B and Si
    Chemical Properties of Boron Family
    Diborane
    Orthoboric Acid
    Borax Formula
    Group 14 Elements (Carbon Family)
    Allotropes of Carbon
    Carbon monoxide and carbon dioxide

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