Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Solutions for Exam 1 - Organic Chemistry II - Summer 2009 | CHEM 314, Exams of Organic Chemistry

Material Type: Exam; Professor: Pant; Class: Organic Chemistry II; Subject: Chemistry; University: George Mason University; Term: Summer 2009;

Typology: Exams

2012/2013

Uploaded on 05/06/2013

onepocketboy
onepocketboy 🇺🇸

4.6

(5)

26 documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Name: ____________________ GMU G#: ___________________________
CHEM 314-C02 Exam 1 Organic Chemistry II Summer 2009
Choose the best possible answer:
1. Which of the following molecules is aromatic?
S
d)
b) c)
a)
2. Provide the correct name for the following molecule.
O
a) toluene b) phenol c) aniline d) anisol
3. Provide the major product for the following transformation.
O
Cl
AlCl3
OO
a) b) c) d)
4. Predict the major product for the following transformation.
Cl
AlCl3
a) b) c) d)
5. The major product for the following transformation would be.
CHO
OHC
+
O
O
H
H
O
O
O
OO
O
H
H
a) b) c) d)
6. Which carbocation would be predicted to be most stable?
d)
a) b) c)
7. Which of the following is true of benzene?
a) Benzene tends to undergo addition rather than substitution reactions.
b) All of the hydrogen atoms of benzene are equivalent.
c) The carbon-carbon bonds of benzene are alternately short and long around the ring.
d) The benzene ring is a distorted hexagon.
pf3
pf4

Partial preview of the text

Download Solutions for Exam 1 - Organic Chemistry II - Summer 2009 | CHEM 314 and more Exams Organic Chemistry in PDF only on Docsity!

Name: ____________________ GMU G#: ___________________________

CHEM 314-C02 Exam 1 Organic Chemistry II Summer 2009

Choose the best possible answer:

1. Which of the following molecules is aromatic?

S

a) b) c) d)

2. Provide the correct name for the following molecule.

O

a) toluene b) phenol c) aniline d) anisol

3. Provide the major product for the following transformation.

O Cl AlCl (^3)

O (^) O

a) b) (^) c) d)

4. Predict the major product for the following transformation.

Cl

AlCl 3

a) b) c) d)

5. The major product for the following transformation would be.

CHO

+OHC

O

O H

H

O

O

O

O (^) O

O H

H

a) (^) b) c) d)

6. Which carbocation would be predicted to be most stable?

a) b)^ c)^ d)

7. Which of the following is true of benzene?

a) Benzene tends to undergo addition rather than substitution reactions.

b) All of the hydrogen atoms of benzene are equivalent.

c) The carbon-carbon bonds of benzene are alternately short and long around the ring.

d) The benzene ring is a distorted hexagon.

8. Which of the following statements regarding the cyclopentadienyl radical is correct?

a) It is aromatic. b) It is not aromatic.

c) It obeys Huckel's rule. d) It undergoes reactions characteristic of benzene.

9. According to Huckel's requirements for aromatic character, which of the following is not true?

a) The ring system must be planar. b) The system must be monocyclic.

c) There must be (4n + 2) π electrons.

d) The Huckel number of electrons must be completely delocalized.

10. Which is the only one of these reagents which will react with benzene under the specified

conditions?

a) Cl 2 , FeCl 3 , heat b) H 2 , 25°C c) Br 2 /CCl 4 , 25°C, dark d) KMnO 4 /H 2 O, 25°C

11. 2-Bromo-4-nitroaniline is:

d)

a) b)^ c)

NO 2

Br

OCH 3

NH 2

NO 2

Br

NH 2

Br

NO 2

NO 2

H 2 N

Br

12. Predict the major product of the following reaction

CH 2 CH (^3)

Cl 2 , UV 400-600 oC

CH 2 CH (^3) H 3 CH 2 C CH 2 CH 2 Cl (^) CHClCH 3

Cl

Cl

a)

b) c)^ d)

13. The major product of the following reaction is

C

O

CH 2 C

O

CH 2 C

O

CH 2

C

O

CH 2 C

O

CH 2

Br

Br

Br

Br

Br 2 /FeBr 3

a) b)

c)

d)

14. Provide the major product for the following transformation.

22. Select the most stable carbon radical.

a) b)^ c)^ d)

23. What is the correct IUPAC name for this molecule?

a) 1-methyl-2,4-cyclohexadiene b) 3-methyl-1,3-cyclohexadiene

c) 5-methyl-1,3-cyclohexadiene d) 6-methyl-1,3-cyclohexadiene

24. Provide the major product for the following transformation.

NBS

Br

Br

Br

Br

a) b)^ c) d)

25. Provide the product for the following transformation.

OH

CH 3 COCl AlCl 3

HNO (^3) H 2 SO (^4) OH

O

OH

O

NO (^2) OH

O O

OH

a) (^) b) c) d)

NO (^2)