Identify the predominant intermolecular force in each of these substances.

1. Hydrogen 2. Dipole-Dipole 3. London
A)H20
B)NH3
C)CH3 C=O OCH3
D)CH4
E)CH OH-C-OH CH3

what I have so far is A) 1 B) 1 C) 2 D) 3 E) I'm not sure about E, I think it might be dispersion?

4 answers

NEVER MIND. it was hydrogen bonding, I didn't see the OH group
a)1 b)1 C)2
Everything is correct, except "E" is Hydrogen Bonding because there is a Hydrogen directly bonded with the Oxygen.
The answer to E is 1