Deck 17: The Chemistry of Carbon

Question 1

The IUPAC name of C₃H₄ is ________.

A) propane
B) butene
C) propyne
D) propene

Answer 1

propyne

Question 2

In the above compounds, how many more hydrogen atoms would you need to add to the hydrocarbon line drawing on the left in order to fully saturate it like the compound on the right?

A) 4
B) 2
C) 6
D) 5

Answer 2

4

Question 3

Which of the following unbranched hydrocarbons is not saturated?

A) C₆H₁₄
B) C₁₀H₂₂
C) C₉H₁₆
D) C₁₆H₃₄

Answer 3

C₉H₁₆

Question 4

Which of the following unbranched/acyclic hydrocarbons may have three double bonds?

A) C₆H₁₀
B) C₁₀H₁₆
C) C₁₂H₂₂
D) C₅H₁₂

Question 5

Which of the following hydrocarbon molecules is the most unsaturated? (Think also: Which of the following needs to have the most hydrogens added to achieve saturation?)

A)
B)
C)
D)

Question 6

The IUPAC name of C₅H₁₂ in a straight chain is ________.

A) ethane
B) butane
C) hexane
D) pentane

Question 7

Which of the following are allotropes of carbon?

A) fullerene
B) diamond
C) graphite
D) All of the above are allotropes of carbon.

Question 8

What is the chemical formula of 2,3-dimethylhexane?

A) C₆H₁₄
B) C₇H₁₈
C) C₈H₁₈
D) C₆H₁₈

Question 9

Which of the following unbranched/acyclic hydrocarbons may have a triple bond?

A) C₆H₁₄
B) C₁₀H₂₀
C) C₁₂H₂₂
D) C₅H₁₀

Question 10

Which of the following is a hydrocarbon?

A) C₄H₈O
B) C₄H₁₀O
C) C₄H₈O₂
D) C₄H₆

Question 11

In aspirin, a carboxylic acid whose structure is shown above, which labeled H atom is the one that is acidic (makes the entire structure one of the carboxylic acid subclass)?

A)
B)
C)
D)

Question 12

Which of the following names is incorrect?

A) 1-hexene
B) 2-hexene
C) 3-hexene
D) 4-hexene

Question 13

Which of the following formulas may be attributed to an alkyne?

A) C₄H₈O
B) C₄H₁₀O
C) C₄H₈O₂
D) C₄H₆

Question 14

Which straight chain hydrocarbon has the lowest boiling point?

A) C₆H₁₄
B) C₄H₁₀
C) C₂H₆
D) C₃H₈

Question 15

Which of the following line drawings represents an unsaturated hydrocarbon?

A)
B)
C)
D)

Question 16

The ability of carbon to connect and link together is called ________.

A) isomerism
B) allotropism
C) catenation
D) ring formation

Question 17

Which of the following unbranched/acyclic hydrocarbons is saturated?

A) C₆H₁₄
B) C₁₀H₂₀
C) C₁₂H₂₂
D) C₅H₁₀

Question 18

Petroleum ________.

A) is mostly a mixture of compounds that are composed of carbon and hydrogen
B) is mostly a mixture of compounds that are covalent
C) is the source of many polymers, fertilizers, insecticides, and plastics
D) All of the above apply to petroleum.

Question 19

The number of possible isomers of molecular C₅H₁₂ is ________.

A) 2
B) 3
C) 4
D) 5

Question 20

Which of the following unbranched/acyclic hydrocarbons will only have one double bond?

A) C₆H₁₄
B) C₁₀H₂₀
C) C₁₂H₂₂
D) C₅H₈

Question 21

People put lemon juice, a source of citric acid, on fish to quench the "fishy" smell, even on perfectly good fish fillets. What type of chemical reaction is occurring when people are quenching the fishy smell by adding lemon juice?

A) an oxidation-reduction reaction
B) a double displacement reaction
C) an acid-base reaction
D) a single displacement reaction

Question 22

The IUPAC name for C₄H₈ as a straight chain is butane.

Question 23

Diamond is a hydrocarbon.

Question 24

The H-C-H angle in alkanes is 109.5°.

Question 25

Which of the following formulas may be attributed to a carboxylic acid?

A) C₄H₈O
B) C₄H₁₀O
C) C₄H₈O₂
D) C₄H₆

Question 26

Chloroalkanes (R-X) have roles in which of the following applications or processes?

A) As "nonstick" coatings and films
B) As refrigerants
C) As destroyers of the ozone layer
D) All of the above

Question 27

Which of the following formulas may be attributed to an amine?

A) C₄H₁₀S
B) CH₅N
C) C₄H₈O₂
D) C₄H₆

Question 28

Carbon always forms four bonds in a compound.

Question 29

No other element in the periodic table is able to covalently bond with other atoms of its own kind as extensively as carbon.

Question 30

Unlike carbon, nitrogen has the potential of bonding to other atoms of itself, but cannot form long chains of nitrogen.

Question 31

Octane has a lower boiling point than decane.

Question 32

Which of the following is not classified as a functional group?

A) the C O of an aldehyde
B) the -COOH of a carboxylic acid
C) the CH₃ of an alkane
D) the -OH of an alcohol

Question 33

There are three possible isomers of molecular formula C₄H₁₀.

Question 34

Which of the following formulas may be attributed to a ketone?

A) C₄H₈O
B) C₄H₁₀O
C) C₄H₈O₂
D) C₄H₆

Question 35

When making models of n-octane, the chain appears to be linear.

Question 36

Which compounds typically have an unpleasant smell?

A) amines
B) esters
C) alcohols
D) ethers

Question 37

Ethers were once used extensively as ________.

A) antibiotics (germ-killers)
B) paint thinners
C) fuel for automobiles
D) anesthetics

Question 38

What is the chemical formula for methanol?

A) CH₃OH
B) CH₃OCH₃
C) CH₃CH₂OH
D) CH₃NH₂

Question 39

CH₃Br is an alkyl halide.

Question 40

Which of the following formulas may be attributed to an UNSATURATED alcohol?

A) C₄H₈O
B) C₄H₁₀O
C) C₄H₈O₂
D) C₄H₆

Question 41

Give a line drawing of C₃H₆ .

Question 42

Construct a line drawing for the hydrocarbon whose IUPAC name is 2,2,4-trimethylpentane.

Question 43

1-propanol is the formula for rubbing alcohol.

Question 44

How many carbon atoms are there in the longest possible continuous chain in the following molecule?

Question 45

The hydrocarbon benzene has the formula C₆H₆ , and a line drawing that looks like this: How many additional hydrogen atoms are needed to fully saturate this structure?

Question 46

Given this hydrocarbon line drawing, state its IUPAC name:

Question 47

Given this hydrocarbon line drawing, state its IUPAC name:

Question 48

Ethanol may be obtained via the fermentation of grains.

Question 49

The formula C₅H₁₀O may be attributed to a carboxylic acid.

Question 50

Give a line drawing of C₃H_{8 .}

Question 51

Organic amines are acidic.

Question 52

Methanol is the compound used in automobile radiators as antifreeze.

Question 53

CH₃NH₂ is a primary amine.

Question 54

The formula C₂H₆O may be attributed to an alcohol or an ether.

Question 55

The formula C₅H₁₀O may be applicable to an aldehyde or a ketone.

Question 56

How many carbon atoms are there in the longest possible continuous chain in the following molecule?

Question 57

All amines contain a nitrogen atom.

Question 58

Given this hydrocarbon line drawing, state its IUPAC name:

Question 59

How many carbon atoms are there in the longest possible continuous chain in the following molecule?

Question 60

The general formula for an ether is R-O-R.

Question 61

Draw the structure of butanal.

Question 62

Give the IUPAC name for this alcohol:

Question 63

Give the IUPAC name of this compound:

Question 64

Circle and identify the organic functional groups in the following molecule:

Question 65

Construct a line drawing for the hydrocarbon whose IUPAC name is 2,4,4-trimethyl-2-pentene.

Question 66

Circle and identify the organic functional groups in the following molecule:

Question 67

Give the IUPAC name for this compound:

Question 68

Give the IUPAC name for this alcohol:

Question 69

1,4-diaminobenzene is one component used to make Kevlar, which is then used in bulletproof vests. Draw the line structure of 1,4-diaminobenzene.
Remember that benzene has the structure: Labeling of carbons begins at "1" in the "12 o'clock" position and proceeds clockwise.

Question 70

Match the name of each alkane with the condensed formula.

-methane

A)CH?
B)CH?CH?CH?CH?CH?CH?
C)CH?CH?CH?CH?CH?
D)CH?CH?CH?CH?
E)CH?CH?
F)CH?CH?CH?

Question 71

Match the name of each alkane with the condensed formula.

-pentane

A)CH?
B)CH?CH?CH?CH?CH?CH?
C)CH?CH?CH?CH?CH?
D)CH?CH?CH?CH?
E)CH?CH?
F)CH?CH?CH?

Question 72

Match the name of each alkane with the condensed formula.

-propane

A)CH?
B)CH?CH?CH?CH?CH?CH?
C)CH?CH?CH?CH?CH?
D)CH?CH?CH?CH?
E)CH?CH?
F)CH?CH?CH?

Question 73

Give the IUPAC name for the compound whose line drawing structure is:

Question 74

Give a systemic name for this compound:

Question 75

Construct a line drawing for the hydrocarbon whose IUPAC name is 2-methyl-2-butene.

Question 76

Construct a line drawing for the hydrocarbon whose IUPAC name is 3,6-dimethyl-1-octene.

Question 77

Match the name of each alkane with the condensed formula.

-ethane

A)CH?
B)CH?CH?CH?CH?CH?CH?
C)CH?CH?CH?CH?CH?
D)CH?CH?CH?CH?
E)CH?CH?
F)CH?CH?CH?

Question 78

Give the IUPAC name for the compound whose line drawing structure is:

Question 79

Give the IUPAC name for this compound:

Question 80

Circle and identify the organic functional groups in the following molecule: