Chemistry

Chapters 20 Study Questions

 

1. Identify each of the following as alkane, alkene, alkyne, or aromatic hydrocarbon. Indicate for each whether it is a saturated or unsaturated hydrocarbon.

 

a) H C = C H d) C6H6 g) C2H2

| |

CH3 CH3 H H H H

| | | |

b) C12H26 e) HCCCCH h) C4H8

| | | |

H H H H

 


c) C5H8 f) propane i) CH3

 

 

2. Draw 3 isomers of C5H12.

 

3. Complete a balanced equation for each of the following reactions and classify the type of reaction as combustion, substitution or dehydrogenation. (Use your text, if needed.)

a) C4H10 + O2

b) CH3CH2CH3 CH2=CHCH3 +

c) CH4 + F2

 

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

O

|| H

H O C |

N

 

O

O

H O O C CH3

||

O

 


5. Draw the structure of

a) 2,3,3-trimethyl,4-ethylhexane d) 1-pentyne

b) methyl alcohol e) a carboxylic acid with 4 carbon atoms

c) formic acid f) an amine with 5 hydrogen atoms

 

6. Draw an isomer of 5e above and indicate what class of compound the isomer is.

 

7. Draw and name the ester formed by the reaction of propyl alcohol and acetic acid.

 

8. For each of the following polymers, indicate the type of polymer and draw the monomer(s) from which the polymers are made.

 

H H H H H H H O O O O

| | | | | | | || || || ||

a) C C C C C C C c) −C−CH−NH−C−CH−NH−C−CH−NH−C−

| | | | | | | | | |

H O H O H O H CH3 CH3 CH3

| | |

CH3 CH3 CH3

 

b) O O O O O O

|| || || || || ||

O C C O O C C O O C C O

 

 

 

 

 

Summary of Chapter 20: Organic Chemistry

 

properties of organic compounds

saturated and unsaturated hydrocarbons

alkanes

draw alkanes from their names

prefixes for 1-10 carbons

isomers

petroleum

combustion, substitution, and dehydrogenation reactions

alkenes, alkynes

aromatic hydrocarbons

benzene

functional groups

alcohols, carboxylic acids, esters,

amines, amides

formic acid & acetic acid

names and formation of esters

saturated and unsaturated fatty acids

polymers

addition polymers

condensation polymers

polyesters and polyamides

draw monomer from polymer and vice versa