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Answers to Chapter 1 Practice Test
1.
a.
a carbon–fluorine bond
c.
a carbon–hydrogen bond in ethane
b.
one
d.
the bond angle in ammonia
2.
+
CH
3
-
CH
3
#
CH
3
3.
O
C O OH
−
sp
2
sp
3
sp
2
4.
CH
2
Cl
2
CH
3
CH
3
CH
3
Cl
O H
2
C
CCl
4
5.
+
NH
4
6.
a.
+
CH
3
b.
H:
c.
:Br
#
d.
CH
3
CH
3
7.
CH
3
CH
2
CH
2
CH CH
2
or
CH
3
CH
2
CH CHCH
3
or
CH
3
CHCH CH
2
CH
3
8.
CH
3
CH
2
C N
sp sp
O
sp
2
CH
3
C NCH
3
sp
2
sp
2
sp
2
O C
sp sp
2
O
CH
3
CH
3
CCH
3
9.
a.
1
s
2
2
s
2
2
p
x
2
p
y
b.
1
s
2
2
s
2
p
x
2
p
y
2
p
z
c.
1
s
2
2
sp
3
2
sp
3
2
sp
3
2
sp
3
10.
a.
109.5
°
b.
180
°
c.
120
°
d.
104.5
°
11.
HCOH
O
HC N CH
3
OCH
3
CH
3
CH CH
2
sp
2
sp
sp
3
sp
3
12.
a.
A pi bond is stronger than a sigma bond.
F
b.
A triple bond is shorter than a double bond.
T
c.
The oxygen–hydrogen bonds in water are formed by the
overlap of an
sp
2
orbital of oxygen with an
s
orbital of hydrogen.
F
d.
A double bond is stronger than a single bond.
T
e.
A tetrahedral carbon has bond angles of
107.5
°
.
F
Answers to Chapter 2 Practice Test
1.
a.
CH
3
CHCH
2
OH
F
b.
HI
c.
CH
3
CCH
2
OH
Cl
Cl
d.
NH
3
2.
a.
CH
3
CH
2
NH
2
b.
F
-
3.
CH
3
CO
−
CH
3
CO
−
CH
3
OH
O
CH
3
NH
−
CH
3
NH
2