Hydrogen bonding

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  • Created by: J.E.C.
  • Created on: 12-04-14 17:16
Hydrogen bonding is the ___ type of intermolecular bond?
strongest
1 of 6
What 3 features must the molecules involved have to be able to H bonding?
1. Large dipole between H and a highly electronegative atom (F,O,N) 2. Small H atom that can get close to F,O,N in other molecule 3. Lone pair on F,O,N which can line up with the H atom.
2 of 6
Hydrogen bonds are present in HF molecules, but all other hydrogen halides contain ___ bonds?
Dipole-dipole bonds
3 of 6
Why can water molecules form twice as many H bonds as HF?
There are two sets of lone pairs on the oxygen atom in water.
4 of 6
Hydrogen bonds are much ___ than covalent bonds?
weaker
5 of 6
Liquids that have H bonding, have a higher than expected ___?
viscosity
6 of 6

Other cards in this set

Card 2

Front

What 3 features must the molecules involved have to be able to H bonding?

Back

1. Large dipole between H and a highly electronegative atom (F,O,N) 2. Small H atom that can get close to F,O,N in other molecule 3. Lone pair on F,O,N which can line up with the H atom.

Card 3

Front

Hydrogen bonds are present in HF molecules, but all other hydrogen halides contain ___ bonds?

Back

Preview of the front of card 3

Card 4

Front

Why can water molecules form twice as many H bonds as HF?

Back

Preview of the front of card 4

Card 5

Front

Hydrogen bonds are much ___ than covalent bonds?

Back

Preview of the front of card 5
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