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2-41
The 0-H hydrogen in acetic acid is more acidic than any of the C-H
hydrogens. Explain this result using resonance structures.
o
H
Acetic acid
H H
:0:
:0:
O=0
::
H-C
=0
H-C
H-C
C=0
c
H
H
H
H
H
H
The O-H hydrogen of acetic acid is more acidic than the C-H hydrogens. The-OH oxygen
is electronegative, and, consequently, the-0-H bond is more strongly polarized than the
-C-H bonds. In addition, the acetate anion is stabilized by resonance,