Self Quiz Answers
Home Up Self Quiz Self Quiz Answers Lesson 5 Review Lesson 5 Review Answers

 

Self Quiz Answers

 

1. Name the following:

a. CH3 - CH2 - NH2 ethylamine
or
aminoethane
b. O
||
CH3 - C - NH2		 acetamide
or
ethanamide
c.
CH3 - CH2 - CH2 - N - CH3
                 |
                H		 methylpropylamine
or
N-methyl-1-aminopropane
d. O          
||         
NH2 - C - CH2 - CH3 		propanamide
e. str5ani2.jpg (2267 bytes) aminobenzene
or
aniline
f.  

CH3 - N - CH2 - CH2 - CH3
|                 
CH3             

dimethylpropylamine
or
N,N-dimethyl-1-aminopropane
g. O  
||  
H - C - NH2		 formamide
or
methanamide

 

2. Draw structures for the following:

a. N-ethylmethanamide Structure of N-ethylmethanamide. [str5sq2a.jpg]
b. N-ethylformamide str5sq2a.jpg (2874 bytes)
c. trimethylamine Structure of trimethylamine. [str5sq2c.jpg]
d. 3-aminohexane Structure of 3-aminohexane. [str5sq2d.jpg]
e. hexanamide Structure of hexanamide. [str5sq2e.jpg]
f. methylamine Structure of methylamine. [str5sq2f.jpg]

 

3. Write an equation showing how an amide could be prepared from ammonia and acetic acid, name the amide, and write an equation showing how the reaction could be reversed.

 O
||
CH3 - C - OH		 + NH3 intermolecular
®
dehydration		 O
||
CH3 - C - NH2		 + H2O
acetic acid ammonia acetamide
O
||
CH3 - C - NH2		 + H2O hydrolysis
®
 O
||
CH3 - C - OH		 + NH3

 

4. Which of these molecules are capable of forming hydrogen bonds with water? Also, draw a diagram showing how one of these molecules would form hydrogen bonds with water.

a. Structure of 1,2-dichlorobenzene. [str5odcb.jpg] no
b. Structure of aniline. [str5ani3.jpg] yes Structure of aniline with hydrogen bonding. [str5sq4b.jpg]
c.
CH3 - NH2
 yes Structure of methylamine with hydrogen bonding. [str5sq4c.jpg]
d.    CH3
|
CH3 - N - CH3		 yes, but only when water provides the H Structure of trimethylamine wit hydrogen bonding. [str5sq4d.jpg]
e. O
||
CH3 - C - NH2		 yes Structure of acetamide with hydrogen bonding. [str5sq4e.jpg]

 

5. Which of the following contain an asymmetric carbon atom?

a. 3-hexanol yes
b. 1-propanol no
c. acetaldehyde no
d. CH3 - CH2 - CH - CH3
      |
          NH2		 yes
e. Br
|
Cl - C - I 
|
Cl		 no
f. O
||
C
/  \
H    H		 no
g.
CH3 - CH2 - CH - CH2 - Cl
|
     CH3		 yes

 

6. Which of the following are heterocyclic compounds?

a. Structure of naphthalene. [str5naph.jpg] no
b. str5odcb.jpg (2386 bytes) no
c. Structure of compound in question 6c of self quiz. [str5sq6c.jpg] yes
d. Structure of compound in question 6d of self quiz. [str5sq6d.jpg] yes

 

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