A dimer consists of two closely associated molecules. In the gas phase, acetic acid tends to form dimers as illustrated on the left in the above diagram. Acetyl chloride, on the right in the above diagram, is not very efficient in forming dimers. Why is acetic acid better able to form dimers than acetyl chloride?
A.
The molecular mass of acetyl chloride is higher than that of acetic acid, making it harder for the acetyl chloride to form dimers.
B.
It is easier to form a covalent bond between acetic acid molecules than between acetyl chloride molecules
C.
Acetic acid can form strong hydrogen bonds, but acetyl chloride can only form weaker dipole–dipole attractions.
D.
Acetic acid is an acidic compound, but acetyl chloride is a neutral compound.
Exam No：AP Chemistry Problem Set 7 Year：2024 Question No：APChemistry2024AP0305
Answer:
C
Knowledge points:
3.1 Intermolecular and Interparticle Forces
Solution:
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