Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

biochem > w. 2 chapter 11 hydrocarbons > Flashcards

w. 2 chapter 11 hydrocarbons Flashcards

(90 cards)

Start Studying
1
Q

Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51°C, and boils at 151°C?

A

nonane floats on the surface of water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A formula that shows the arrangement of all bonds in a molecule is called a _____.

A

expanded structural formula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In the three-dimensional structure of methane, CH₄, the hydrogen atoms attached to a carbon atom are aligned ______.

A

at the corners of a tetrahedron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A hydrocarbon contains only the elements _____.

A

carbon and hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following is not typical of most hydrocarbons?

A

high melting point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Organic chemistry is the study of chemistry of compounds of _____.

A

carbon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How many valence electrons does carbon have?

A

four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Carbon atoms always have how many covalent bonds?

A

four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The carbon atoms in saturated hydrocarbons _____.

A

have only single bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

An organic compound composed of carbon and hydrogen connected only by single bonds is an ____.

A

alkane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which of these formulas is the expanded structural formula for an alkane with three carbon atoms?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the condensed structural formula for an alkane with four carbon atoms?

A

CH3-CH2-CH2-CH3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the IUPAC name of the continuous chain alkane with six carbon atoms?

A

hexane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the IUPAC name of this compound?
CH3-CH2-CH2-CH2-CH2-CH2-CH3

A

heptane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the IUPAC name of this compound?
CH3 - CH2 - CH2 - CH2 - CH3

A

pentane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the IUPAC name of CH₃-CH₂-CH₂-CH₃?

A

butane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Hydrocarbons are the primary constituents of _____.

A

fuels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The skeletal formula shown is that of _____.

A

heptane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A cycloalkane _____.

A

has two fewer hydrogen atoms than the corresponding alkane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The simplest cycloalkane has _____.

A

the carbon atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the IUPAC name for a four-carbon continuous-chain alkane?

A

butane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the IUPAC name for a five-carbon continuous-chain alkane?

A

pentane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is the name for a six-carbon continuous-chain alkane?

A

hexane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the IUPAC name for a seven-carbon continuous-chain alkane?

A

heptane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the IUPAC name for an eight-carbon continuous-chain alkane?
octane
26
What is the IUPAC name of the nine-carbon continuous-chain alkane?
nonane
27
What is the IUPAC name for a ten-carbon continuous-chain alkane?
decane
28
In a condensed structural formula, each carbon atom is _____.
grouped with its bonded hydrogen atoms
29
What type of compound is CH3 - CH2 - CH3 ?
alkane
30
According to the IUPAC convention for chemical naming, which part of a hydrocarbon is selected as the main chain for a hydrocarbon chain?
the longest continuous chain, regardless of bends
31
According the the IUPAC convention, alkyl group names should be located _____ of the name of the main chain.
in front
32
According to the IUPAC convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
alphabetical without considering prefixes
33
When drawing a structural formula, the first step is to draw _____.
the main carbon chain
34
What is the IUPAC name of the following compound?
2-methylhexane
35
Compounds that have the same molecular formula but different arrangements of atoms are called _____.
structural isomers
36
Structural isomers are molecules that share the same formula and have _____.
a different arrangements of atoms within the molecule
37
What is the IUPAC name of this compound?
1,3-dichlorobutane
38
What is the IUPAC name of this compound?
2,4-dimethylpentane
39
What is the IUPAC name of the alkyl group CH3 - CH2 - CH2?
propyl
40
What is the IUPAC name for this alkane?
3, 4-dimethylhexane
41
What is the IUPAC name of this alkane?
2,2,4-trimethylhexane
42
Which of the following compounds could have the molecular formula C7H16?
2,3-dimethylpentane
43
What is the IUPAC name of
2-methylpentane
44
What is the IUPAC name of
2,2-dimethylbutane
45
Which of the following formulas pairs of formulas represent isomers?
46
What is the name for a one-carbon alkyl substituent?
methyl
47
What is the name for a two-carbon saturated alkyl group?
ethyl
48
What is the name for a three-carbon saturated alkyl group?
propyl
49
What is the name for this three-carbon alkyl group?
isopropyl
50
The reaction of butane with oxygen is called _____.
combustion
51
What is the product of the complete combustion of any hydrocarbon?
CO2 + H2O
52
The balanced equation for the complete combustion of C5H12 will give which of these products?
5CO2 + 6H2O
53
In the balanced equation for the complete combustion of C5H12, the coefficient for oxygen is _____.
8
54
In the balanced equation for the complete combustion of heptane, the coefficient for carbon dioxide is C7H16 (l) + O2 (g) → CO2 (g) + H2O (g)
7
55
An alkene is an organic compound that contains a _____ bond.
double
56
An alkyne is an organic compound that contains a _____ bond.
triple
57
A hydrocarbon with a double bond is a _____.
alkene
58
Alkenes and alkynes are called unsaturated compounds because ______.
they have fewer hydrogen atoms attached to the carbon chain than alkanes
59
Which of the compounds is a cycloalkene?
60
An unsaturated compound always _____.
contains at least one double or triple bond
61
Which of the following compounds is an alkyne?
62
What is the IUPAC name of the following compound?
5-methyl-1-hexene
63
Organic compounds with carbon-carbon double or triple bonds are classified as _____.
unsaturated compounds
64
The IUPAC name of
2-butene
65
When naming an alkene, the parent chain is the longest carbon chain _____.
that contains both atoms of the double bond
66
The IUPAC name of
2-pentyne
67
The IUPAC name for ethylene is _____.
ethene
68
Which one of the following compounds has the smallest number of hydrogen atoms?
butyne
69
What is the IUPAC name for the following compound?
4-chloro-4,5-dimethyl-2-hexene
70
What is the condensed structural formula of the compound propene?
71
What is the condensed structural formula for the compound 3-hexene?
72
The compound 1-butyne contains _____.
a triple bond
73
Which of the following compounds is an alkene?
74
Some alkenes have geometric (cis-trans) isomers because ______.
the carbon atoms in the double bond cannot rotate
75
Which of the following pairs of compounds are cis-trans isomers?
76
What is the IUPAC name of the compound shown below?
trans-2-pentene
77
What is the IUPAC name of the compound shown below?
cis-3-hexene
78
Insects communicate with chemicals called _____.
pheromones
79
The reaction of hydrogen (H₂) and propene using a platinum catalyst is called _____.
addition
80
The hydrogenation of an alkene gives a
alkane
81
What is the condensed structural formula for the product of the reaction of 2-butene with water and a strong acid catalyst?
82
What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?
83
The reaction of an alkene and water in the presence of an acid catalyst to produce an alcohol is called _____.
hydration
84
What is the product of the reaction shown below?
85
The structural formula of benzene is often represented as a ______.
ring of six carbon atoms with a circle in the center
86
A compound that contains the ring structure of benzene is called a _____.
aromatic compound
87
The compound below is named
benzene
88
What is the molecular formula of benzene?
C6H6
89
Which of the compounds below is aromatic?
90
All of the carbon-carbon bonds in benzene are _____.
identical

biochem (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions