Bruice - Chimica Organica

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90 Chapter 1
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77. a. 1. C N N H
H
H
+
2. H
+
N
O
O −
O
3.
−
NN
+ −
N
4. C C N H H
H H
H O
5. O O
−
O
+
b. 1. CH3N
+
N
2.
O
N
O HO +
−
3.
−
NN
+ −
N
4.
O
C
NH2 CH 3
5. O
O
+
–
O
c. N3
−
78. Only the first structure has no dipole moment.
C C
H
Cl
Cl
H
C C
H
Cl
H
Cl
C C
Cl
Cl
H
H