Which of the following is the structural formula for an unsaturated compound?
A)
C)
B)
D)
Which structural formula represents a saturated compound?
A)
C)
B)
D)
Given the compound:
The symbol
represents
A) a coordinate covalent bond B) two pairs of shared electrons 4)
C) one pair of shared electrons D) a single covalent bond
Which of the following is the structural formula for an unsaturated compound?
A)
C)
B)
D)
4942 - 1 - Page 2 5)
6)
Which of the following is the structural formula for an unsaturated compound?
A)
C)
B)
D)
What type of bond occurs in a saturated hydrocarbon molecule? A) ionic bond B) double covalent bond
7)
Which formula represents a saturated hydrocarbon? A) CH4
8)
11)
B) C2H2 B) C3H6
C) C3H8
D) C3H7Cl
B)
D)
Which compound is a saturated hydrocarbon? B) ethanol
C) ethane
D) ethene
Alkanes differ from alkenes in that alkanes C) are hydrocarbons D) are saturated compounds
Which organic compound is saturated? B) ethyne
C) propene
D) ethene
C) C5H12
D) C3H8
C) C2H3Br
D) C2H6
Which formula represents an unsaturated hydrocarbon? A) C3H6
15)
D) C2H4
C)
A) propane 14)
C) C3H6
A)
A) undergo addition reactions B) have the general formula Cn H2n 13)
D) C2H4
Which structural formula represents a saturated hydrocarbon?
A) ethyne 12)
C) C4H8
Which formula represents an unsaturated hydrocarbon? A) CCl4
10)
B) C3H6
Which formula represents a saturated hydrocarbon? A) C3H8
9)
C) single covalent bond D) triple covalent bond
B) C4H9Br
An unsaturated hydrocarbon is represented by the formula A) C4H10
B) C3H7Br
4942 - 1 - Page 3 16)
What is the total number of pairs of electrons represented by dashes (Ð) in the structural formula A) 5
17)
18)
C) 10
D) 8
Which of the following is the structural formula for an unsaturated compound?
A)
C)
B)
D)
Which formula represents an unsaturated hydrocarbon? A) C2H6
19)
B) 4
?
B) C3H8
C) C4H5Cl
D) C4H9Cl
Given the structural formula for ethyne:
What is the total number of electrons shared between the carbon atoms? A) 6 20)
21)
C) 3
D) 4
Which structural formula correctly represents 2-butene?
A)
C)
B)
D)
A hydrocarbon molecule containing one triple covalent bond is classified as an A) alkane
22)
B) 2
B) alkene
C) alkyne
D) alkadiene
Given the compound:
What is the general formula of the hydrocarbon series of which this compound is a member? A) Cn H2n+2
B) Cn H2n-6
C) Cn H2n
D) Cn H2n-2
4942 - 1 - Page 4 23)
In the alkane family, each member differs from the preceding member by one carbon atom and two hydrogen atoms. Such a series of hydrocarbons is called A) a lanthanide series B) an actinide series
24)
What is the total number of pairs of electrons that one carbon atom shares with the other carbon atom in the molecule C2H4? A) 1
25)
B) tetrahedron
B) ethene B) benzene
30)
C) ethyne
D) ethene
C)
B)
D)
A molecule of ethane and a molecule of ethene both have the same C) number of hydrogen atoms D) molecular formula
Which compound belongs to the alkene series? B) C6H6
C) C2H2
D) C2H4
C) pentane
D) propane
C) pentene
D) butene
Which compound has the greatest possible number of isomers? B) butane
Which hydrocarbon has the highest normal boiling point? A) ethene
34)
D) butane
A)
A) ethane 33)
C) benzene
Which structural formula represents a member of the series of hydrocarbons having the general formula Cn H2n-2?
A) C6H14 32)
D) square
C) C2H2, C3H4, C4H8 D) C4H10, C5H10, C6H6
A) empirical formula B) number of carbon atoms 31)
C) rectangle
Which three compounds belong to the same homologous series? A) C3H6, C4H8, C5H10 B) CH4, C2H6, C3H4
29)
D) 4
Which hydrocarbon contains a triple bond? A) butane
28)
C) 3
Which hydrocarbon is a member of the series with the general formula Cn H2n-2? A) ethyne
27)
B) 2
In a molecule of CH4, the hydrogen atoms are spatially oriented toward the corners of a regular A) pyramid
26)
C) a periodic series D) a homologous series
B) propene
What is the correct IUPAC name for the hydrocarbon with the formula shown below? CH3CH2CH2CH2CH2CH2CH2CH3 A) nonane
35)
C) octane
D) heptane
C) Cn H2n-6
D) Cn H2n+2
What is the general formula for an alkyne? A) Cn H2n
36)
B) octene B) Cn H2n-2
What is the name of a compound that has the molecular formula C6H6? A) butene
B) butyne
C) butane
D) benzene
4942 - 1 - Page 5 37)
38)
Which structural formula represents a compound that is a member of the alkene series?
A)
C)
B)
D)
What is the correct IUPAC name for the structure shown below?
A) heptane 39)
B) C3H6
D) 5-ethyl pentane
C) C2H2
D) CH4
What is the correct IUPAC name for the hydrocarbon with the structural formula shown below?
A) n-propane B) 1-propylethane 41)
C) 1-ethyl pentane
Which formula represents an alkene? A) C4H10
40)
B) hexane
C) n-pentane D) 1-methyl-2-ethylethane
Which compound is a member of the same homologous series as C3H6? A) C2H4
B) C2H6
C) C3H8
D) C3H4
4942 - 1 - Page 6 42)
What is the correct IUPAC name for the hydrocarbon with the following structural formula?
A) 1-methyl-4-ethyl-1-butyne B) 2-heptyne 43)
What is the number of hydrogen atoms in a molecule of ethyne? A) 6
44)
50)
D) 4
B) C4H10
C) C2H2
B) C2n H2n
C) Cn H2n-2
B) butadiene
C) benzene
C)
B)
D)
D) C2H4
D) Cn Hn D) toluene
The members of the alkane series of hydrocarbons are similar in that each member has the same B) general formula
C) empirical formula
D) structural formula
C)
D)
What is the structural formula for ethene? B)
Each member of the alkane series differs from the preceding member by one additional carbon atom and A) 4 hydrogen atoms
53)
C) 3
B) 2
A)
A)
52)
D) C4H10
Which compound belongs to the hydrocarbon series with the general formula Cn H2n ?
A) molecular formula 51)
C) C5H12
Which compound is a member of the alkene series of hydrocarbons? A) propene
49)
B) C5H10
The compound C2H2 belongs to the series of hydrocarbons with the general formula A) C2n H2n-2
48)
D) 4
In which compound does a double covalent bond exist between two carbon atoms? A) C3H8
47)
C) 8
The total number of covalent bonds in a molecule of methane is A) 1
46)
B) 2
What is the formula for pentene? A) C4H8
45)
C) 5-ethyl-2-pentyne D) 1-methyl-1-hexyne
B) 3 hydrogen atoms
C) 1 hydrogen atom
D) 2 hydrogen atoms
C) hexane
D) 2-methyl butane
Which molecule contains a total of six carbon atoms? A) 2-methyl propane
B) pentane
4942 - 1 - Page 7 54)
Which molecule contains a total of three carbon atoms? A) butane
55)
57)
58)
B) C4H8
C) C6H6
D) C5H10
A)
C)
B)
D)
What structural formula represents 2,2-dimethylpropane?
A)
C)
B)
D)
In which pair of hydrocarbons does each compound contain only one double bond per molecule? B) C2H2 and C2H6
C) C6H6 and C7H8
D) C2H2 and C3H6
C) ethene
D) ethanol
What is the correct name for the substance below?
A) ethane 60)
D) 2-methylpropane
What is the structural formula for methane?
A) C4H8 and C2H4 59)
C) 2-methylbutane
What formula represents the first member of the benzene series? A) C7H8
56)
B) propane
B) ethyne
Which formula represents butane? A) CH3CH2CH2CH2CH3 B) CH3CH3
C) CH3CH2CH2CH3 D) CH3CH2CH3
4942 - 1 - Page 8 61)
What is the total number of hydrogen atoms in a molecule of butene? A) 4
62)
63)
B) 6
A)
C)
B)
D)
Which compound contains one double bond? B) ethene
The structure A) methane
66)
may be used to represent B) cyclopropane
C) benzene
D) acetylene
B) Br2
C) CH4
D) HBr
B) Cn H2n-2
C) Cn H2n
D) Cn H2n-6
B) C5H8
C) C7H8
D) C4H8
The compound C4H10 belongs to the series of hydrocarbons with the general formula A) Cn H2n
70)
or
The name of a compound that is a member of the hydrocarbon series with the general formula Cn H2n-6 is A) C3H8
69)
C) n-octane D) 1-propyl-3-ethyl propane
A compound with the molecular formula C7H8 could be a member of the hydrocarbon series which has the general formula A) Cn H2n+2
68)
D) ethane
Which formula represents a tetrahedral molecule? A) CaCl2
67)
C) ethanol
What is the correct IUPAC name for the hydrocarbon with the structural formula shown below?
A) 1-propyl hexane B) 1-propyl pentane 65)
D) 10
Which structural formula represents a molecule of hexane?
A) ethyne 64)
C) 8
B) Cn H2n-6
C) Cn H2n+2
D) C2H2n-2
C) toluene
D) butene
A compound with the formula C6H5CH3 is A) benzene
B) pentene
4942 - 1 - Page 9 71)
What is the correct IUPAC name for the compound with the following structural formula?
A) hexene 72)
74)
B)
D)
79)
D) C2H5Cl
To what series does the hydrocarbon with the structure shown below belong?
B) acetylene
C) benzene
D) olefin
C) alkene
D) benzene
What homologous series contains the compound toluene? B) alkane
Which set of formulas represents members of the same homologous series? B) C, CH4, CH4O
C) C2H4, C3H6, C4H8
D) C2H2, C2H4, C2H6
C)
D)
What diagram may be used to represent a benzene ring? A)
78)
C) C2H2
C)
A) CH2, CH3, CH4 77)
B) C2H4
A)
A) alkyne 76)
D) octane
Which diagram represents toluene?
A) paraffin 75)
C) heptane
Which formula represents a hydrocarbon with a double covalent bond? A) CH3Cl
73)
B) 1-octene
B)
What is the structural formula for propene?
A)
C)
B)
D)
By how many carbon atoms does each member of a homologous series differ from the previous member? A) 1
B) 2
C) 3
D) 4
4942 - 1 - Page 10 80)
81)
What structural formula represents a molecule of butane?
A)
C)
B)
D)
Which formula represents a hydrocarbon with a triple covalent bond? A) C2H4
82)
B) C2H3Cl
C) all single bonds D) only one double bond
If a hydrocarbon molecule contains a triple bond, its IUPAC name ends in A) -yne
84)
B) -ane
C) 2,2-dimethyl butane D) pentane B) Cn H2n-2
C) Cn Hn-2
D) Cn Hn+2
Which formula represents a hydrocarbon with a double covalent bond? A) CH3Cl
87)
D) -ene
What is the general formula of the alkane series? A) Cn H2n+2
86)
C) -one
Which compound has the molecular formula C5H12? A) 2,2-dimethyl pentane B) butane
85)
D) CH3Cl
In the alkane series, each molecule contains A) two double bonds B) one triple bond
