Chemistry

Answers to Chapters 20 Study Questions

 

1. a) alkene, unsaturated d) aromatic, unsaturated g) alkyne, unsaturated

b) alkane, saturated e) alkane, saturated h) alkene, unsaturated

c) alkyne, unsaturated f) alkane, saturated i) aromatic, unsaturated

 

2.

 

 

 

 


pentane 2-methylbutane

2,2-dimethylpropane

 

3. a) combustion; 2 C4H10 + 13 O2 8 CO2 + 10 H2O

b) dehydrogenation; CH3CH2CH3 CH2=CHCH3 + H2

c) substitution; CH4 + F2 CH3F + HF

 

4. Label at least 3 functional groups on the following molecule:

O

carboxylic acid || H

H O C | amine

N

benzene ring (phenyl group)

(ether) O

O (ketone)

alcohol H O O C CH3

|| ester

O

 

 

 


5. a) b) c)

 

 

 

 

 


d) e) f)

 

 

 

 

 

6.

 

 

 

 


carboxylic acid ester (others possible, too)

 


7.

 

 

 


propyl acetate

 

8. a) addition polymer:

 

 

 

 

 


b) condensation polymer, polyester, copolymer

 

 

 

 

 

 

 


c) condensation polymer, polyamide, homopolymer; polypeptide (polyalanine)