Illustrated Glossary of Organic Chemistry
p
K
a
3
:
The
p
K
a
value
of the third 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
a1
= 2.12
p
K
a2
= 4.10
p
K
a
3
= 5.18
Related terms:
Bronsted acid
,
Bronsted-Lowry acid
,
Lewis acid
Wikipedia entry
Return to glossary index
