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- Engineering
- Please help! HF has the highest boiling point among hydrogen halides because it has :
HF has the highest boiling point among hydrogen halides because it has :
- Option 1)
Strongest vander waals interaction
- Option 2)
Lowest ionic character
- Option 3)
Strongest hydrogen bonding
- Option 4)
Lowest dissociation enthalpy
Answers (1)
Hydrogen Bonding -
It is an electrostatic attractive force between hydrogen of one molecule or part of an molecule and an electronegative atom ( F, O, N ) of another molecule (intermolecular ) or another part of same molecule ( intramolecule )
- wherein
Hydrogen Bonding -
Attractive force which binds hydrogen atom of one molecule with the electronegative ( F, O, N ) atom of another molecule.
- wherein
It is of two type
1. Intermolecular and
2. Intramolecular
Strenght of Hydrogen bond -
Electrostatic force > covalent bond > H bond > Vander Wall's force
- wherein
H bond is a very weak bond and its strength is intermediate between the weak Vander wall force and strong covalent force.
B.P. order is
due to hydrogen bonding in , it has high B.P. then other halides.
Option 1)
Strongest vander waals interaction
Option 2)
Lowest ionic character
Option 3)
Strongest hydrogen bonding
Option 4)
Lowest dissociation enthalpy
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