Test Bank for
Organic Chemistry Mechanistic Patterns 1st Edition by Ogilvie, Ackroyd, Browning,
Deslongchamps, Sauer ISBN 9780176702717
Chapter 1-20
M
CHAPTER 1 - Carbon and Its Compounds
ED
2-
1. Which of the following represents the ground state electron configuration for a O ion?
a. 1s22s22p4
b. 1s22s22p2
c. 1s22s22p6
C
d. 2s22p4
ANSWER: c
O
2. How many valence electrons does a nitrogen atom contain?
a. 2
N
b. 3
c. 5
d. 7
N
ANSWER: c
2-
O
3. How many valence electrons does an O ion contain?
a. 2
b. 6
IS
c. 8
d. 10
ANSWER: c
SE
4. What is the Lewis structure of a compound that has the formula of CCl3 and contains 24 valence electrons?
a.
b.
U
R
c.
d.
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,Name: Class: Date:
ANSWER: d
5. How many bonded and non-bonded electrons does a molecule with no formal charges and the formula
C2H4O2 contain?
a. 4 bonded, 4 non-bonded
M
b. 7 bonded. 4 non-bonded
c. 7 bonded, 5 non-bonded
d. 4 bonded, 7 non-bonded
ED
ANSWER: b
Figure 1
C
O
N
6. Referring to Figure 1, what is the formal charge of the oxygen atom at I?
a. +1
N
b. 0
c. -1
O
d. -2
ANSWER: b
IS
7. Referring to Figure 1, what is the formal charge of the oxygen atom at II?
a. +1
b. 0
c. -1
SE
d. -2
ANSWER: c
8. Referring to Figure 1, what is the formal charge of the oxygen atom at III?
a. +1
U
b. 0
c. -1
R
d. -2
ANSWER: a
9. What best represents a C-H bond in CH4?
a. s-sp3 orbital overlap
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,Name: Class: Date:
b. sp3-sp3 orbital overlap
c. s-s orbital overlap
d. p-p orbital overlap
ANSWER: a
M
10. What best represents the C-C bond in C2H6?
a. s-sp3 orbital overlap
ED
b. sp3-sp3 orbital overlap
c. s-s orbital overlap
d. p-p orbital overlap
ANSWER: b
C
Figure 2
The following questions refer to the structure of heroin (shown below).
O
N
N
O
11. Referring to Figure 2, what is the hybridization of the nitrogen atom?
a. p
IS
b. sp
c. sp2
d. sp3
SE
ANSWER: d
12. Referring to Figure 2, what is the geometry of the carbon atom shown at I?
a. bent
b. trigonal planar
U
c. tetrahedral
d. trigonal pyramidal
R
ANSWER: b
13. Referring to Figure 2, what is the geometry of the carbon atom shown at II?
a. bent
b. trigonal planar
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, Name: Class: Date:
c. tetrahedral
d. trigonal pyramidal
ANSWER: c
14. Referring to Figure 2, what is the hybridization of the carbon atom at I?
M
a. p
b. sp
c. sp2
ED
d. sp3
ANSWER: c
15. Referring to Figure 2, what is the hybridization of the carbon atom at II?
C
a. p
b. sp
c. sp2
O
d. sp3
ANSWER: d
N
2 2 6 2 4
16. Which element or ion has the following electron configuration: 1s 2s 2p 3s 3s ?
a. S
N
b. O
c. Ar
O
d. Si
ANSWER: a
IS
17. How many orientations exist for a s orbital?
a. 1
b. 2
SE
c. 3
d. 4
ANSWER: a
18. How many orientations exist for a p orbital?
U
a. 1
b. 2
c. 3
R
d. 4
ANSWER: c
3
19. How many orientations exist for a sp orbital?
a. 1
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