Organic Chemistry I: Exam 1 (Chapters 1-3)
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1. Which of the statements below accurate- Alkanes are hydrocarbons which contain only
ly describe(s) alkanes? single bonds.
Alkanes are the simplest and least reactive
A.) Alkanes are hydrocarbons which con- class of organic compounds.
tain only single bonds.
B.) Alkanes belong to the class of unsat-
urated hydrocarbons.
C.) Alkanes are the simplest and least re-
active class of organic compounds.
2. Which of the following types of hydrocar- Alkanes
bons is (are) saturated?
3. If a hydrocarbon has no double or triple Saturated
bonds, it is said to be ______________.
4. Straight-chain alkanes are also called n-alkanes
____________.
5. The structure below is a potent anal- 2
gesic agent (pain reliever). How many
secondary carbons are in this structure?
6. If an acyclic alkane hydrocarbon contains 2n + 2
n carbon atoms, how many hydrogen
atoms must it also contain?
7. A series of compounds, like the n-alka- Homologous
nes, that differ only by the num-
ber of -CH2- groups, is called a(n)
_____________series.
8. 22
, Organic Chemistry I: Exam 1 (Chapters 1-3)
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A bicyclic alkane contains 12 carbon
atoms. How many hydrogen atoms does
it contain?
9. How many methylene groups are pre- 2
sent in 2,4-dimethylhexane?
10. Triacontane is an unbranched alkane 62
that contains 30 carbon atoms in each
molecule. How many hydrogen atoms
are present in each molecule of triacon-
tane?
11. How many secondary (2º) carbons are 3
found in 5-ethyl-3,3,4-trimethylheptane?
12. Provide an acceptable name for 4-propylheptane
(CH3CH2CH2)3CH
13. Provide the name of the compound be- 3-fluoro-2,2-dimethylhexane
low.
14. Provide the name of the compound be- 2,3,6,7-tetramethylnonane
low.
15. Provide an acceptable name for the alka- Hexane or n-hexane
ne shown below.
CH3CH2CH2CH2CH2CH3
16. Provide an acceptable name for the alka- 2,5-dimethylheptane
ne shown below.
17. Look at picture
, Organic Chemistry I: Exam 1 (Chapters 1-3)
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Draw an acceptable structure for
4-tert-butyloctane.
18. Draw an acceptable structure for 3-eth- Look at picture
yl-3-methylhexane.
19. Draw an acceptable structure for4-iso- Look at picture
propyl-2-methylheptane
20. Name the haloalkane shown. 3,4-dibromoheptane
21. Provide an acceptable name for the fol- 4,4-dichloro-6-isopropyl-3-methylnonane
lowing compound.
22. Provide an acceptable name for the 2,2,3,4,4-pentamethylpentane
[(CH3)3C]2CHCH3.
23. Provide the IUPAC name of 3-ethylpentane
(CH3CH2)3CH.
24. Provide the IUPAC name of 2,2,5-trimethylhexane
(CH3)2CHCH2CH2C(CH3)3
25. Predict the molecular formula of 4-eth- C16H34
yl-5,5-dimethyldodecane.
26. Provide an acceptable name for the alka- 5-sec-butyl-2,2-dimethylnonane OR 2,2-di-
ne shown below. methyl-5-(1-methylpropyl)nonane
27. Provide an acceptable name for the alka- 4-isopropyldecane OR 4-(1-methylethyl) de-
ne shown below. cane
28. Provide an acceptable name for the alka- 3-ethyl-4,4-dimethylheptane
ne below.
, Organic Chemistry I: Exam 1 (Chapters 1-3)
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29. Draw an acceptable structure for 6-eth- Look at picture
yl-2,6,7-trimethyl-5-propylnonane.
30. Provide an acceptable name for the alka- 2,2,3,6-tetramethylheptane
ne shown below.
31. Provide an acceptable name for the alka- 6-ethyl-2-methyl-5-propyldecane
ne shown below.
32. Provide an acceptable name for the alka- 5-ethyl-2,2-dimethylheptane
ne shown below.
33. Identify the correct IUPAC name for the 4-(2-Iodo-1-methylethyl)-3-methylheptane
following structures.
34. Name the haloalkane shown. 1-idol-3,3-dimethylpentane
CH3CH2C9CH3)2CH2CH2I
35. Name the alkane shown. 2,3,4-trimethylpentane
[(CH3)2CH]2CHCH3
36. Name the alkane shown. 5-ethyl-2,2-dimethyloctane
37. How many methyl groups are present in 4
2,4-dimetylhexane?
38. Identify the correct IUPAC name for the 5-bromo-1-cyclopentyl-2-methylhexane
following structure.
39. Identify the correct IUPAC name for each 4-(1-bromoethyl)-3-ethyl-5-methylheptane
compound shown below.
40.
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1. Which of the statements below accurate- Alkanes are hydrocarbons which contain only
ly describe(s) alkanes? single bonds.
Alkanes are the simplest and least reactive
A.) Alkanes are hydrocarbons which con- class of organic compounds.
tain only single bonds.
B.) Alkanes belong to the class of unsat-
urated hydrocarbons.
C.) Alkanes are the simplest and least re-
active class of organic compounds.
2. Which of the following types of hydrocar- Alkanes
bons is (are) saturated?
3. If a hydrocarbon has no double or triple Saturated
bonds, it is said to be ______________.
4. Straight-chain alkanes are also called n-alkanes
____________.
5. The structure below is a potent anal- 2
gesic agent (pain reliever). How many
secondary carbons are in this structure?
6. If an acyclic alkane hydrocarbon contains 2n + 2
n carbon atoms, how many hydrogen
atoms must it also contain?
7. A series of compounds, like the n-alka- Homologous
nes, that differ only by the num-
ber of -CH2- groups, is called a(n)
_____________series.
8. 22
, Organic Chemistry I: Exam 1 (Chapters 1-3)
Study online at https://quizlet.com/_c2gkf8
A bicyclic alkane contains 12 carbon
atoms. How many hydrogen atoms does
it contain?
9. How many methylene groups are pre- 2
sent in 2,4-dimethylhexane?
10. Triacontane is an unbranched alkane 62
that contains 30 carbon atoms in each
molecule. How many hydrogen atoms
are present in each molecule of triacon-
tane?
11. How many secondary (2º) carbons are 3
found in 5-ethyl-3,3,4-trimethylheptane?
12. Provide an acceptable name for 4-propylheptane
(CH3CH2CH2)3CH
13. Provide the name of the compound be- 3-fluoro-2,2-dimethylhexane
low.
14. Provide the name of the compound be- 2,3,6,7-tetramethylnonane
low.
15. Provide an acceptable name for the alka- Hexane or n-hexane
ne shown below.
CH3CH2CH2CH2CH2CH3
16. Provide an acceptable name for the alka- 2,5-dimethylheptane
ne shown below.
17. Look at picture
, Organic Chemistry I: Exam 1 (Chapters 1-3)
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Draw an acceptable structure for
4-tert-butyloctane.
18. Draw an acceptable structure for 3-eth- Look at picture
yl-3-methylhexane.
19. Draw an acceptable structure for4-iso- Look at picture
propyl-2-methylheptane
20. Name the haloalkane shown. 3,4-dibromoheptane
21. Provide an acceptable name for the fol- 4,4-dichloro-6-isopropyl-3-methylnonane
lowing compound.
22. Provide an acceptable name for the 2,2,3,4,4-pentamethylpentane
[(CH3)3C]2CHCH3.
23. Provide the IUPAC name of 3-ethylpentane
(CH3CH2)3CH.
24. Provide the IUPAC name of 2,2,5-trimethylhexane
(CH3)2CHCH2CH2C(CH3)3
25. Predict the molecular formula of 4-eth- C16H34
yl-5,5-dimethyldodecane.
26. Provide an acceptable name for the alka- 5-sec-butyl-2,2-dimethylnonane OR 2,2-di-
ne shown below. methyl-5-(1-methylpropyl)nonane
27. Provide an acceptable name for the alka- 4-isopropyldecane OR 4-(1-methylethyl) de-
ne shown below. cane
28. Provide an acceptable name for the alka- 3-ethyl-4,4-dimethylheptane
ne below.
, Organic Chemistry I: Exam 1 (Chapters 1-3)
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29. Draw an acceptable structure for 6-eth- Look at picture
yl-2,6,7-trimethyl-5-propylnonane.
30. Provide an acceptable name for the alka- 2,2,3,6-tetramethylheptane
ne shown below.
31. Provide an acceptable name for the alka- 6-ethyl-2-methyl-5-propyldecane
ne shown below.
32. Provide an acceptable name for the alka- 5-ethyl-2,2-dimethylheptane
ne shown below.
33. Identify the correct IUPAC name for the 4-(2-Iodo-1-methylethyl)-3-methylheptane
following structures.
34. Name the haloalkane shown. 1-idol-3,3-dimethylpentane
CH3CH2C9CH3)2CH2CH2I
35. Name the alkane shown. 2,3,4-trimethylpentane
[(CH3)2CH]2CHCH3
36. Name the alkane shown. 5-ethyl-2,2-dimethyloctane
37. How many methyl groups are present in 4
2,4-dimetylhexane?
38. Identify the correct IUPAC name for the 5-bromo-1-cyclopentyl-2-methylhexane
following structure.
39. Identify the correct IUPAC name for each 4-(1-bromoethyl)-3-ethyl-5-methylheptane
compound shown below.
40.
