Naming Organic Compounds Practice - Vancouver Community College
Chemistry 0871
Learning Centre
Naming Organic Compounds Practice
EXERCISES
A. Identify the class of the following compounds. For any alkanes, alkenes, alkynes,
aromatic compounds, carboxylic acids or alcohols, provide the IUPAC name of the
molecule. For the four special monosubstituted benzenes, use the common name.
I
1)
8)
Br
2)
H2C CH3
9)
H3C CH CH2CH2 CH3
3)
O
H2C CH3
10)
Cl CH3
11)
5)
O
H3C CH2CH2 CH2 CH
O
HO C CH2CH2CH2 CH2 CH3
H3C CH CH C CH2 CH2 CH2 CH3
CH3
C CH CHCH3
H3C
H3C C
H3C C CH2 CH3
4)
CH3
CH2CH3
12)
CH 2CH 3
OH
H3C CH CH CH CH3
CH 2CH 3
CH3
CH3
6)
H3C C
O
H3C CH C
14)
O
C
C
CH3
CH3
7)
H3C
13)
H2C CH CH CH2
H3C
CH3
CH3
H2C
H3C CH CH
CH3
CH2CH3
CH3
O
CH2 CH3
CH3
Authored by Emily Simpson
This work is licensed under a Creative Commons Attribution 4.0 International License
B. Draw the structural formulas for the following compounds:
1) 1-pentene
7) 4-methylhexanoic acid
2) 2-methyl-3-heptyne
8) 2,3-dichloro-4-ethyl-2-hexene
3) 3-ethyl-4,5-dimethylpentane
9) 2,4-dinitrotoluene
4) 2-ethyl-1-pentanol
10) 3-ethyl-2,3-dimethyl-2-pentanol
5) m-bromophenol
11) 5-chloro-4-methyl-3-heptanone
6) 3,3,6,6-tetraethyl-4-octyne
12) 3-phenyl-1-propyne
C. Draw all possible open-chain structures for the following molecular formulas and
name them:
1) C5H12
2) C5H10
3) C3H8O
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2
SOLUTIONS
A. (1) aromatic compound: iodobenzene (2) alkane: 3-methylhexane (3) ketone
(4) alkane/alkyl halide: 3-chloro-4-ethyl-2,4-dimethyloctane (5) aromatic compound:
o-diethylbenzene or ortho-diethylbenzene (6) alkene: 3-methylpentene (7) ester
(8) aromatic compound: p-bromotoluene or para-bromotoluene (9) alkyne:
4-ethyl-5-methyl-2-hexyne (10) aldehyde (11) carboxylic acid: hexanoic acid
(12) alcohol: 2,4-dimethyl-3-pentanol (13) alkene: 2,4,4-trimethyl-2-hexene
(14) ether
B. (1) H2C=CH?CH2?CH2?CH3 (2) H3C?CH?C¡ÔC?CH2?CH2?CH3
CH3
(4) HO?CH2?CH?CH2?CH2?CH3 (5)
(6)
OH
CH2?CH3
Br
(7) O=C?CH2?CH2?CH?CH2?CH3 (8)
CH3
OH
(3)
CH3
H3C?CH2?CH?CH?CH2?CH3
CH2?CH3
H3C?CH2
CH2?CH3
H3C?CH2?C?C¡ÔC?C?CH2?CH3
H3C?CH2
CH2?CH3
C?
H3C?C=C?CH?CH2?CH3
C?
CH2?CH3
(9)
CH3
NO2
NO2
(10)
C. (1)
H3C CH3
H3C?C?C?CH2?CH3
HO CH2?CH3
(11)
pentane
2-methylbutane
H3C?CH2?CH2?CH2?CH3
(2) 1-pentene
H2C=CH?CH2?CH2?CH3
O
H3C?CH2?C?CH?CH?CH2?CH3
H3C C?
HO?CH2?CH2?CH3
CH3
H3C?CH2?CH3
CH3
2-pentene
2-methyl-1-butene
H2C=C?CH2?CH3
CH3
H3C?CH=CH?CH2?CH3
2-methyl-2-butene
H3C?C=CH?CH3
CH3
H2C=CH?CH?CH3
CH3
(3) 1-propanol
HC¡ÔC?CH2
2,2-dimethylpropane
H3C?CH2?CH2?CH3
CH3
3-methyl-1-butene
(12)
2-propanol
H3C?CH?CH3
OH
This work is licensed under a Creative Commons Attribution 4.0 International License
methoxyethane (methyl ethyl ether)
H3C?O?CH2?CH3
3
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