N-
NH
2
(b)
oJ
I�
.b
18-28
o
II
(a) PhCHO
+
",NHPh
(d)
N
Ph
)l
Ph
H2NNH
-C
-NH
2
(b)
h
o
+
H2NOH
(c)
0
oJ
+
H2N-NHPh
(d)
0
0
+
02N
NH2-NH
�
}-N02
(e)
C(f
NH
2
CH
3
I
0
o
18-29
.
.
�
II
H+
·
0
·
�
Ph-CH
---
plus resonance forms
with (+) on benzene rin
g
:O-H
:O-H
O-H
+
••
}
II
+
1
I
Ph-CH
----
Ph -CH
-
.
-
.
-
---l
.
�
Ph -
CH
'"
J
H�CH3
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- Spring '10
- WADE
- Chemistry, pH
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