Chemistry Reference
In-Depth Information
(2.10)
(2.11)
(2.12)
(2.13)
The couple I
c
-I
a
is associated with reversible
formation of benzophenone ketyl
2
(
Eq. 2.8
).
Peak II
c
should be associated with reduction of
2
to the reactive dianion
3
(
Eq. 2.9
). In the
presence of phenol,
2
is protonated (
Eq. 2.10
),
and the resulting radical
4
is then further
reduced to form the monoanion
5
(
Eq. 2.12
).
Finally
5
is protonated to form the alcohol
6
(
Eq. 2.13
).
As we have seen in the above example, CV
provides preliminary information about the
mechanism of an unknown electrode reaction.
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