Test Bank for Organic Chemistry Mechanistic Patterns 1st Edition by Ghis William Ogilvie, Nathan Ackroyd, Scott Browning

Name: Class: Date:




Test Bank for
Organic Chemistry Mechanistic Patterns 1st Edition by Ogilvie, Ackroyd, Browning,
Deslongchamps, Sauer ISBN 9780176702717
Chapter 1-20

CHAPTER 1 - Carbon and Its Compounds
2-
1. Which of the following represents the ground state electron configuration for a O ion?
a. 1s22s22p4
b. 1s22s22p2
c. 1s22s22p6
d. 2s22p4
ANSWER: c

2. How many valence electrons does a nitrogen atom contain?
a. 2
b. 3
c. 5
d. 7
ANSWER: c

2-
3. How many valence electrons does an O ion contain?
a. 2
b. 6
c. 8
d. 10
ANSWER: c

4. What is the Lewis structure of a compound that has the formula of CCl3 and contains 24 valence electrons?
a.


b.



c.


d.



Copyright Cengage Learning. Powered by Cognero. Page 1

,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
b. 7 bonded. 4 non-bonded
c. 7 bonded, 5 non-bonded
d. 4 bonded, 7 non-bonded
ANSWER: b

Figure 1




6. Referring to Figure 1, what is the formal charge of the oxygen atom at I?
a. +1
b. 0
c. -1
d. -2
ANSWER: b

7. Referring to Figure 1, what is the formal charge of the oxygen atom at II?
a. +1
b. 0
c. -1
d. -2
ANSWER: c

8. Referring to Figure 1, what is the formal charge of the oxygen atom at III?
a. +1
b. 0
c. -1
d. -2
ANSWER: a

9. What best represents a C-H bond in CH4?
a. s-sp3 orbital overlap
Copyright Cengage Learning. Powered by Cognero. Page 2

,Name: Class: Date:



b. sp3-sp3 orbital overlap
c. s-s orbital overlap
d. p-p orbital overlap
ANSWER: a

10. What best represents the C-C bond in C2H6?
a. s-sp3 orbital overlap
b. sp3-sp3 orbital overlap
c. s-s orbital overlap
d. p-p orbital overlap
ANSWER: b

Figure 2
The following questions refer to the structure of heroin (shown below).




11. Referring to Figure 2, what is the hybridization of the nitrogen atom?
a. p
b. sp
c. sp2
d. sp3
ANSWER: d

12. Referring to Figure 2, what is the geometry of the carbon atom shown at I?
a. bent
b. trigonal planar
c. tetrahedral
d. trigonal pyramidal
ANSWER: b

13. Referring to Figure 2, what is the geometry of the carbon atom shown at II?
a. bent
b. trigonal planar

Copyright Cengage Learning. Powered by Cognero. Page 3

, 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?
a. p
b. sp
c. sp2
d. sp3
ANSWER: c

15. Referring to Figure 2, what is the hybridization of the carbon atom at II?
a. p
b. sp
c. sp2
d. sp3
ANSWER: d

2 2 6 2 4
16. Which element or ion has the following electron configuration: 1s 2s 2p 3s 3s ?
a. S
b. O
c. Ar
d. Si
ANSWER: a

17. How many orientations exist for a s orbital?
a. 1
b. 2
c. 3
d. 4
ANSWER: a

18. How many orientations exist for a p orbital?
a. 1
b. 2
c. 3
d. 4
ANSWER: c

3
19. How many orientations exist for a sp orbital?
a. 1
Copyright Cengage Learning. Powered by Cognero. Page 4