| 1. Which of the following would probably be considered both an inorganic and an organic compound?
a. methane
b. ethanol
c. carbon dioxide
d. propanoic acid
e. carbon dioxide
2. Which of the following would NOT be considered a fossil fuel?
a. coal
b. ethanol
c. gasoline
d. kerosene
e. oil
3. Which of the following would be an alcohol?
a. CH3COOH
b. CH3CHO
c. CH3CH3
d. CH3CH2OH
e. none of the above
4. Which of the following pairs is incorrect?
a. -CH3 - methyl
b. -CH2CH2CH3 - propyl
c. -CH2CH3 - ethyl
d. -CH2CH2CH3 - isopropyl
e. -CH2CH2CH2CH3 - butyl
5. Which of the following is a straight chain alkane?
a. C7H16
b. C5H8
c. C5H10
d. C4H8
e. C3H5
6. The compounds ethene, propene, butene, and pentene are examples of which one of the following?
a. alkanes
b. alkenes
c. alkynes
d. aromatic hydrocarbons
e. cyclic hydrocarbons
7. Which of the following could be a formula for a cyclic hydrocarbon?
a. C4H10
b. C4H12
c. C4H8
d. C2H5
e. C3H8
8. Which of the following cannot have a branched structure?
a. C7H16
b. C5H14
c. C5H12
d. C4H10
e. C3H8
9. The physical separation of various organic components in a mixture based upon differences in their boiling points is called which of the following?
a. cracking reactions
b. fractional distillation
c. polymerization reactions
d. isomeric fractionation
e. catalytic reformation
10. In chemical reactions involving alkanes, halogens can replace hydrogen atoms. These reactions are called which of the following?
a. substitution reactions
b. combustion reactions
c. addition reactions
d. dehydrogenation reactions
e. nucleophilic reactions
11. How many possible isomers exist for heptane?
a. 5
b. 9
c. 12
d. 18
e. 27
12. Which of the following would be the correct line structure for n-propanol or 1-propanol.
a. CH3-CH2-OH
b. CH3-CH-(-OH)CH2
c. CH3-OH
d. CH3-CH2- CH2-CH2-OH
e. none of the above are correct
13. One of the ingredients on a margarine container is listed as "polyunsaturated corn oil". This means which of the following?
a. all of the carbon-carbon bonds in the oil are single bonds
b. all of the carbon-carbon bonds are double bonds
c. some of the carbon-carbon bonds are single bonds
d. some of the carbon-carbon bonds are double bonds
e. none of the above
14. Which of the following pairs is incorrect?
a. ethane - C2H5
b. hexane - C5H14
c. decane - C10H22
d. heptane - C7H16
e. noneane - C9H18
15. A carboxylic acid will react with an alcohol in a dehydrogenation reaction to form which of the following?
a. ketones
b. aldehydes
c. esters
d. a polymer
e. none of the above
16. What is the common name for acetylsalicylic acid?
a. vitamin C
b. acetone
c. vinegar
d. aspirin
e. tylenol
17. Which organic molecules have the generalized formula RCH2OH?
a. alcohols
b. hydrocarbons
c. carboxylic acids
d. aldhydes
e. ketones
18. Which of the following is NOT an organic polymer?
a. cellulose
b. nylon
c. teflon
d. PVC
e. ethylene glycol
19. Which of the following isomers of octane is misnamed?
a. 2-methyl-heptane
b. 2,3-methyl-hexane
c. 3-ethyl-hexane
d. 2,2-dimethyl-hexane
e. 3-ethyl-3-methyl-pentane
20. When sulfur is added to rubber and the mixture is heated, the resulting rubber is still elastic but much stronger. This process is called which of the following?
a. polymerization
b. isomerization
c. oligomerization
d. vulcanization
e. halogenation
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