My chemistry homework has multiple choice questions where I have to look at a compound at choose which molecular forces (London forces, dipole-dipole, hydrogen bonds) are present. I understand what they are, but there is no explanation in my lesson on how I could look at a compound and know what forces it has.
In: Chemistry
Dipole-dipole occurs when there is a large difference in electronegativity, for example in a carbon-chlorine bond.
Hydrogen bonds occur between molecules with O-H bonds, and to a lesser extent N-H.
If neither of these apply, it’s just London forces.
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