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Chapter 1
79
Copyright © 2017 Pearson Education, Inc.
18.
a.
O
C C
H
O
H C
H
C H
H
H H
H
H
H
H
or
and
C H C
H
O H
H
H H
H
C O C
H
H
H
H
and
H
H
b.
C
C C
H
C
H C
H
C O
H
H H
H
H
H
H
or
and
O
and
H
H
H
O H C
H
C C
H
H H
H
H
H
H
H
H
C C
H
O
H
H
H
H
C H
H
H
and
O
H
H
H H H
H
H
H
C C C
H
H
H
HO
H H H
H C C C
and
19.
Because the compounds are neutral, a halogen has 3 lone pairs, an oxygen has 2, a nitrogen has 1, and a
carbon or a hydrogen has no lone pairs.
a.
CH
3
CH
2
NH
2
b.
CH
3
NHCH
3
c.
CH
3
CH
2
OH
d.
CH
3
OCH
3
e.
CH
3
CH
2
Cl
f.
HONH
2
20.
a.
CH
3
CH
2
CH
2
Cl
b.
CH
3
COCH
2
CH
3
O
c.
CH
3
CH
2
CNCH
2
CH
3
CH
3
O
d.
CH
3
CH
2
C N
21.
a.
the (green) chlorine atom
b.
the (red) oxygen atoms
c.
the (blue) nitrogen atoms
d.
the (black) carbon atoms and (gray) hydrogen atoms
22.
a.
C N
H
C
H
H
H
C
H
H
C
H
H
H
H
H
b.
H C
H
H
H
C
C
H
Cl
H
H
c.
C
C
H
C
H H
Br
C
H
H
H
H
H
H
d.
H C
H
H
H
C
C
C
H
H
H
H
H
C
H
H
C
H
H
C
H
H
C H
O