Illustrated Glossary of Organic Chemistry
p
K
a
1
:
The
p
K
a
value
of the most
acidic
proton
in a
molecule
with more than one
proton
. This term is generally reserved for cases in which the
protons
in question are moderately to strongly
acidic
.
p
K
a
1
= 2.12
p
K
a
2
= 4.10
p
K
a
3
= 5.18
Related terms:
Bronsted acid
,
Bronsted-Lowry acid
,
Lewis acid
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