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302 Chapter 8
Copyright © 2017 Pearson Education, Inc.
Chapter 8 Practice Test
1.
Indicate the more stable species in each pair:
a.
+
+
or
d.
or
b.
−
CH
3
CHCH
3
−
CH
3
CHC CH
or
e.
+
CHCH
3
CHCH
3
+
or
c.
−
CH
3
CHCH
2
CCH
3
O
−
CH
3
CHCCH
3
O
or
2.
Draw resonance contributors for each of the following:
a.
b.
c.
CH
2
CH CH CH
−
O
3.
Which compounds do not have delocalized electrons?
CH
3
CH
2
NHCH CHCH
3
CH
2
CHCCH
3
O
CH
3
CCH
2
CH CH
2
CH
3
+
CH
3
CH
2
NHCH
2
CH CHCH
3
CH
2
CHCH
2
CH CH
2
4.
What are the products of the following reactions?
a.
+
b.
+
5.
Which of the following pairs are resonance contributors?
CH
3
CH
2
OH
CH
3
OCH
3
and
CH
3
COH
CH
3
CO
−
and
O
O
CH
3
COH
CH
3
C
and
O
O
−
OH
+
CH
3
CH
2
CH
CH
3
CH
and
O
CH
OH
a.
b.
c.
d.