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Chapter 3 141
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27.
a.
1-hexanamine
hexylamine
primary
b.
N
-isobutyl-4-methyl-1-pentanamine or
4-methyl-
N
-(1-methylpropyl)-1-pentanamine
sec
-butylisohexylamine
secondary
c.
N
-ethyl-
N
-methylethanamine
diethylmethylamine
tertiary
d.
N
-propyl-1-butanamine
butylpropylamine
secondary
e.
N,N
-diethyl-1-propanamine
diethylpropylamine
tertiary
f.
N
-ethyl-3-methylcyclopentanamine
no common name
secondary
28.
a.
tertiary alkyl halide
b.
primary amine
c.
secondary alcohol
d.
secondary amine
29.
a.
CH
3
CH
2
CH
2
NHCH
2
CHCH
3
CH
3
H
N
b.
3 2
2 3
CH CH NHCH CH
N
H
c.
CH
3
CHCH
2
CH
2
CH
2
CH
2
NH
2
CH
3
NH
2
d.
CH
3
CH
2
CH
2
NCH
2
CH
2
CH
3
CH
3
N
e.
CH
3
CH
2
CHCH
2
CH
3
N
CH
3
CH
3
N
f.
NCH
2
CH
3
CH
3
N
30.
a.
6-methyl-1-heptanamine
isooctylamine
primary
b.
cyclohexanamine
cyclohexylamine
primary
c.
4-methyl-
N
-propyl-1-pentanamine
isohexylpropylamine
secondary
d.
2,5-dimethylcyclohexanamine
no common name
primary
31.
a.
The bond angle is predicted to be similar to the bond angle in water
1
104.5
°
2
.
b.
The bond angle is predicted to be similar to the bond angle in ammonia
1
107.3
°
2
.
c.
The bond angle is predicted to be similar to the bond angle in water
1
104.5
°
2
.
d.
The bond angle is predicted to be similar to the bond angle in the ammonium ion
1
109.5
°
2
.