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Self Quiz Answers

 

1. Name the following:

a. O H H H 
|| | | |
C-C-C-C-H
| | | | 
H H H H 		butanal
b.   O     
||  
C-C-C-C    
|
   C-C		 3-hexanone
c. CH3CH2CH2OH 1-propanol
d. C 
| 
C C
| |
C-C-C-C
  |
   OH		 2,3-dimethyl-2-pentanol
e. C-C     
|   
C-C-C
|
   C-OH		 2-methyl-1-pentanol
f. H O H H
| || | |
H-C-C-C-C-H
|   | |
H   H H		 2-butanone
g. CH3C(CH3)2CHO 2,2-dimethylpropanal

 

2. Draw structural formulas for each of the following:

a. acetaldehyde       H   H
      |   |
  H - C - C = O
      |
      H
b. 3-chloro-2-heptanone     H   O   Cl  H   H   H   H
    |   ||   |   |   |   |   |
H - C - C - C - C - C - C - C - H
    |       |   |   |   |   |
    H       H   H   H   H   H
c. 2-methylhexanal   O    CH3 H   H   H   H
  \\   |   |   |   |   |
   C - C - C - C - C - C - H
  /    |   |   |   |   |
 H     H   H   H   H   H
d. 2,3-dimethyl-1-pentanol       OH  CH3 CH3 H   H
      |   |   |   |   |
  H - C - C - C - C - C - H
      |   |   |   |   |
      H   H   H   H   H

 

3. Identify the alcohols in question #1 as primary, secondary, or tertiary.

a. O H H H 
|| | | |
C-C-C-C-H
| | | | 
H H H H 		not an alcohol
b.   O     
||  
C-C-C-C    
|
   C-C		 not an alcohol
c. CH3CH2CH2OH primary
d. C 
| 
C C
| |
C-C-C-C
  |
   OH		 tertiary
e. C-C     
|   
C-C-C
|
   C-OH		 primary
f. H O H H
| || | |
H-C-C-C-C-H
|   | |
H   H H		 not an alcohol
g. CH3C(CH3)2CHO not an alcohol

4. Give an equation, using structural formulas, showing how:

a. 2-butanol can be prepared from 2-butene

H      H
|     |
H-C-C=C-C-H
| | | |
H H H H		 + H2O addition of
water
¾¾¾¾¾¾®

 

 H  OH H  H
|  |  |  |
H-C--C--C--C-H
|  |  |  |
H  H  H  H
2-butene 2-butanol

b. propene can be prepared from 1-propanol

OH H   H
|  |  |
H-C--C--C-H
|  |  |
H  H  H		 intramolecular
dehydration
¾¾¾¾¾¾®

 

      H
    |
H-C=C-C-H
| | |
H H H		 + H2O
1-propanol propene

c. 3-pentanone can be prepared from an alcohol

H  H   OH H  H
|  |  |  |  |
H-C--C--C--C--C-H
|  |  |  |  |
H  H  H  H  H		 oxidation
¾¾¾¾¾¾®
 H  H   O  H  H
|  |  ||  |  |
H-C--C--C--C--C-H
|  |     |  |
H  H     H  H		 + 2 H·
3-pentanol 3-pentanone

d. butanal can be prepared from an alcohol

OH H  H  H
|  |  |  |
H-C--C--C--C-H
|  |  |  |
H  H  H  H		 oxidation
¾¾¾¾¾¾®
 O  H  H  H 
||  |  |  | 
C--C--C--C-H
|  |  |  | 
H  H  H  H  		 + 2 H·
1-butanol butanal

 

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