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Halogen hydrides - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:35 AM | #JEE Main
Quick Facts
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General properties of Hydrides of Group 17 is considered one of the most asked concept.
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9 Questions around this concept.
Solve by difficulty
The most polar H-X molecule is
Which of the following has highest boiling point
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.
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