Deck 19: Organic Chemistry

Question 1

What is the term for a hydrocarbon compound typically containing a benzene ring?

A)aromatic hydrocarbon
B)hydrocarbon derivative
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Answer 1

aromatic hydrocarbon

Question 2

What is the term for a family of unsaturated hydrocarbon compounds having a double bond?

A)alkanes
B)alkenes
C)alkynes
D)arenes
E)none of the above

Answer 2

alkenes

Question 3

What is the term for a chemical reaction in which an unsaturated hydrocarbon adds hydrogen or a halogen?

A)addition reaction
B)combustion reaction
C)halogenation reaction
D)hydrogenation reaction
E)none of the above

Answer 3

addition reaction

Question 4

What is the term for a compound that contains carbon,hydrogen,and another element such as oxygen,nitrogen,or a halogen?

A)aromatic hydrocarbon
B)hydrocarbon derivative
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 5

What is the term for an atom or group of atoms that characterizes a class of compounds?

A)alkyl group
B)carbonyl group
C)carboxyl group
D)functional group
E)none of the above

Question 6

What is the term for a small molecule that bonds to itself repeatedly to form a long,continuous chain?

A)monomer
B)polymer
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 7

What is the term for the -OH group?

A)carbonyl group
B)carboxyl group
C)hydroxyl group
D)phenyl group
E)none of the above

Question 8

What is the term for the part that remains after a hydrogen atom is removed from an arene?

A)alkyl group
B)aryl group
C)benzyl group
D)ethyl group
E)none of the above

Question 9

What is the term for a family of unsaturated hydrocarbon compounds having a triple bond?

A)alkanes
B)alkenes
C)alkynes
D)arenes
E)none of the above

Question 10

What is the term for a family of compounds in which all the members have the same structural feature and similar chemical properties?

A)class of compounds
B)group of compounds
C)functional group
D)isomers
E)none of the above

Question 11

What is the term for the part that remains after a hydrogen atom is removed from a benzene molecule?

A)alkyl group
B)benzyl group
C)ethyl group
D)phenyl group
E)none of the above

Question 12

What is the term for the -COOH group?

A)carbonyl group
B)carboxyl group
C)hydroxyl group
D)phenyl group
E)none of the above

Question 13

What is the current definition of organic chemistry?

A)the study of carbon-containing compounds
B)the study of biologically active compounds
C)the study of plant and animal compounds
D)the study of "vital force" compounds
E)none of the above

Question 14

What is the term for the C=O group?

A)carbonyl group
B)carboxyl group
C)hydroxyl group
D)phenyl group
E)none of the above

Question 15

What is the term for a compound that contains only hydrogen and carbon?

A)aromatic hydrocarbon
B)hydrocarbon
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 16

What is the term for compounds with the same molecular formula,but with different structural formulas?

A)derivatives
B)isostructures
C)isotopes
D)isomers
E)none of the above

Question 17

What is the term for the part that remains after a hydrogen atom is removed from an alkane?

A)alkyl group
B)aryl group
C)carbonyl group
D)carboxyl group
E)none of the above

Question 18

What is the term for a family of aromatic hydrocarbon compounds?

A)alkanes
B)alkenes
C)alkynes
D)arenes
E)none of the above

Question 19

What is the term for a chemical reaction in which a hydrocarbon reacts rapidly with oxygen?

A)addition reaction
B)combustion reaction
C)halogenation reaction
D)hydrogenation reaction
E)none of the above

Question 20

What is the term for a family of saturated hydrocarbon compounds?

A)alkanes
B)alkenes
C)alkynes
D)arenes
E)none of the above

Question 21

What is the general term for a hydrocarbon that contains a carbon-carbon double bond or triple bond?

A)aromatic hydrocarbon
B)hydrocarbon derivative
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 22

How many isomers share the molecular formula C4H10?

A)2
B)3
C)4
D)5
E)none of the above

Question 23

Which of the following hydrocarbons is saturated?

A)alkanes
B)alkenes
C)alkynes
D)all of the above
E)none of the above

Question 24

What is the general molecular formula for the alkane class of compounds?

A)CnH₂n
B)CnH₂n+2
C)CnH₂n-2
D)all of the above
E)none of the above

Question 25

Which of the following hydrocarbons has a benzene ring?

A)alkanes
B)alkenes
C)arenes
D)all of the above
E)none of the above

Question 26

What is the IUPAC name for: CH₃-CH₂-CH₂-CH₂-CH₂-CH₃?

A)butane
B)heptane
C)hexane
D)pentane
E)none of the above

Question 27

Which of the following molecular formulas corresponds to an alkane?

A)C₆H10
B)C₆H₁₂
C)C₆H14
D)all of the above
E)none of the above

Question 28

Which of the following is the condensed structural formula for pentane?

A)CH₃-CH₂-CH₃
B)CH₃-CH₂-CH₂-CH₃
C)CH₃-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH₂-CH₂-CH₃
E)none of the above

Question 29

What is the approximate percentage of chemical compounds that are organic?

A)10%
B)25%
C)50%
D)75%
E)90%

Question 30

What is the IUPAC name for: CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃?

A)heptane
B)hexane
C)octane
D)nonane
E)none of the above

Question 31

Which of the following is a fossil fuel?

A)coal
B)natural gas
C)petroleum
D)all of the above
E)none of the above

Question 32

Which of the following molecular formulas corresponds to an alkane?

A)C5H₈
B)C5H10
C)C5H₁₂
D)all of the above
E)none of the above

Question 33

Which of the following is the condensed structural formula for heptane?

A)CH₃-CH₂-CH₂-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
C)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
E)none of the above

Question 34

What is the approximate number of identified organic compounds?

A)50,000
B)500,000
C)5,000,000
D)50,000,000
E)500,000,000

Question 35

Which of the following hydrocarbons are unsaturated?

A)alkanes and alkenes
B)alkanes and alkynes
C)alkenes and alkynes
D)all of the above
E)none of the above

Question 36

What is the term for a giant molecule composed of small molecules bonded together repeatedly in a long,continuous chain?

A)monomer
B)polymer
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 37

What is the general term for a hydrocarbon that contains only single bonds?

A)aromatic hydrocarbon
B)hydrocarbon derivative
C)saturated hydrocarbon
D)unsaturated hydrocarbon
E)none of the above

Question 38

Which of the following is the condensed structural formula for nonane?

A)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
C)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₂-CH₃
E)none of the above

Question 39

What is the IUPAC name for: CH₃-CH₂-CH₂-CH₃?

A)butane
B)heptane
C)hexane
D)pentane
E)none of the above

Question 40

What is the term for a chemical formula that shows the arrangement of atoms in a molecule?

A)atomic formula
B)bonding formula
C)molecular formula
D)structural formula
E)none of the above

Question 41

What is the name of the following alkyl group: CH₃-CH₂-CH₂-?

A)ethyl
B)isopropyl
C)methyl
D)propyl
E)none of the above

Question 42

What are the two products from the complete combustion of an alkane?

A)CO and H₂
B)CO and H₂O
C)CO₂ and H₂
D)CO₂ and H₂O
E)none of the above

Question 43

How many isomers share the molecular formula C₆H14?

A)2
B)3
C)4
D)5
E)none of the above

Question 44

What is the IUPAC name for the following?

A)isooctane
B)3-ethyl-5-methyloctane
C)4-ethyl-6-methyloctane
D)5-ethyl-3-methyloctane
E)none of the above

Question 45

How many isomers share the molecular formula C5H₁₂?

A)2
B)3
C)4
D)5
E)none of the above

Question 46

What is the IUPAC name for the following?

A)octane
B)isohexane
C)2,4-dimethylhexane
D)3,5-dimethylhexane
E)none of the above

Question 47

What is the IUPAC name for the following?

A)heptane
B)isoheptane
C)2-ethylpentane
D)3-ethylpentane
E)none of the above

Question 48

Which of the following is a balanced equation for the complete combustion of ethane?

A)2 C₂H₆ + 5 O₂ 4 CO + 6 H₂O
B)2 C₂H₆ + 7 O₂ 4 CO₂ + 6 H₂O
C)C₂H₆ + O₂ 2 CO + 3 H₂
D)C₂H₆ + 2 O₂ 2 CO₂ + 3 H₂
E)C₂H₆ + O₂ no reaction

Question 49

Which of the following is a balanced equation for the complete combustion of propane?

A)2 C₃H₈ + 3 O₂ 6 CO + 8 H₂
B)2 C₃H₈ + 7 O₂ 6 CO + 8 H₂O
C)C₃H₈ + 3 O₂ 3 CO₂ + 4 H₂
D)C₃H₈ + 5 O₂ 3 CO₂ + 4 H₂O
E)C₃H₈ + O₂ no reaction

Question 50

Which of the following molecular formulas corresponds to an alkene?

A)C7H₁₂
B)C7H14
C)C7H16
D)all of the above
E)none of the above

Question 51

Which of the following is a balanced equation for the complete combustion of methane?

A)2 CH₄ + O₂ 2 CO + 4 H₂
B)2 CH₄ + 3 O₂ 2 CO + 4 H₂O
C)CH₄ + O₂ CO₂ + 2 H₂
D)CH₄ + 2 O₂ CO₂ + 2 H₂O
E)CH₄ + O₂ no reaction

Question 52

What is the name of the following alkyl group: CH₃-CH₂-?

A)ethyl
B)isopropyl
C)methyl
D)propyl
E)none of the above

Question 53

What is the name of the following alkyl group: CH₃-?

A)ethyl
B)isopropyl
C)methyl
D)propyl
E)none of the above

Question 54

Which of the following molecular formulas corresponds to an alkene?

A)C8H14
B)C8H16
C)C8H18
D)all of the above
E)none of the above

Question 55

What is the name of the following alkyl group: (CH₃)2CH-?

A)ethyl
B)isopropyl
C)methyl
D)propyl
E)none of the above

Question 56

What is the general molecular formula for the alkene class of compounds?

A)CnH₂n
B)CnH₂n+2
C)CnH₂n-2
D)all of the above
E)none of the above

Question 57

What is the IUPAC name for the following?

A)octane
B)isooctane
C)3-methylheptane
D)5-methylheptane
E)none of the above

Question 58

What is the name of the following aryl group: C₆H5-?

A)benzyl
B)hexyl
C)pentyl
D)phenyl
E)none of the above

Question 59

What is the IUPAC name for the following?

A)heptane
B)isoheptane
C)2-methyl-3-methylpentane
D)2,3-dimethylpentane
E)none of the above

Question 60

How many isomers share the molecular formula C₃H7F?

A)2
B)3
C)4
D)5
E)none of the above

Question 61

What is the general molecular formula for the alkyne class of compounds?

A)CnH₂n
B)CnH₂n+2
C)CnH₂n-2
D)all of the above
E)none of the above

Question 62

Which of the following molecular formulas corresponds to an alkyne?

A)C10H18
B)C10H₂0
C)C10H₂2
D)all of the above
E)none of the above

Question 63

Which of the following illustrates the reaction of propene and hydrogen gas in the presence of nickel catalyst at 25 °C and 1 atm?

A)CH₂=CH-CH₃ + H₂ C₃H₄
B)CH₂=CH-CH₃ + H₂ C₃H₆
C)CH₂=CH-CH₃ + H₂ C₃H₈
D)CH₂=CH-CH₃ + H₂ C₆H₆
E)CH₂=CH-CH₃ + H₂ no reaction

Question 64

What are the products from the complete combustion of an alkene?

A)CO and H₂
B)CO and H₂O
C)CO₂ and H₂
D)CO₂ and H₂O
E)none of the above

Question 65

What is the IUPAC name for CH₃-CH=CH-CH₂-CH₂-CH₃?

A)hexene
B)1-hexene
C)2-hexene
D)3-hexene
E)none of the above

Question 66

Which of the following is the condensed structural formula for 4-nonene?

A)CH₃-CH₂-CH=CH-CH₂-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH₂-CH₂-CH=CH-CH₂-CH₃
C)CH₃-CH₂-CH=CH-CH₂-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH₂-CH=CH-CH₂-CH₂-CH₃
E)none of the above

Question 67

Which of the following is the condensed structural formula for 3-heptene?

A)CH₃-CH=CH-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH=CH-CH₂-CH₃
C)CH₃-CH=CH-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH=CH-CH₂-CH₂-CH₃
E)none of the above

Question 68

Which of the following pair of alkynes has the same physical properties?

A)1-pentyne and 2-pentyne
B)1-pentyne and isopentyne
C)2-pentyne and isopentyne
D)all of the above
E)none of the above

Question 69

What is the IUPAC name for CH₃-CH₂-CH₂-CH₂-CH=CH-CH₂-CH₃?

A)octene
B)3-octene
C)4-octene
D)5-octene
E)none of the above

Question 70

What is the common name for HC≡CH?

A)acetylene
B)ethene
C)ethyne
D)ethylene
E)none of the above

Question 71

Which of the following is the condensed structural formula for 2-pentene?

A)CH₂=CH-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH=CH-CH₃
C)CH₃-CH=CH-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH=CH-CH₃
E)none of the above

Question 72

Which of the following pair of alkenes has the same physical properties?

A)1-butene and 2-butene
B)1-butene and isobutene
C)2-butene and isobutene
D)all of the above
E)none of the above

Question 73

Which of the following molecular formulas corresponds to an alkyne?

A)C9H16
B)C9H18
C)C9H₂0
D)all of the above
E)none of the above

Question 74

What is the IUPAC name for CH₃-CH₂-CH=CH₂?

A)butene
B)1-butene
C)2-butene
D)3-butene
E)none of the above

Question 75

What is the IUPAC name for CH₃-CH₂-CH₂-CH₂-C≡C-CH₂-CH₃?

A)octyne
B)3-octyne
C)4-octyne
D)5-octyne
E)none of the above

Question 76

What is the IUPAC name for CH₃-CH₂-C≡CH?

A)butyne
B)1-butyne
C)2-butyne
D)3-butyne
E)none of the above

Question 77

Which of the following is the condensed structural formula for 2-heptyne?

A)CH₃-C≡C-CH₂-CH₂-CH₃
B)CH₃-CH₂-C≡C-CH₂-CH₃
C)CH₃-C≡C-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-C≡C-CH₂-CH₂-CH₃
E)none of the above

Question 78

Which of the following is the condensed structural formula for 3-nonyne?

A)CH₃-CH₂-C≡C-CH₂-CH₂-CH₂-CH₃
B)CH₃-CH₂-CH₂-CH₂-C≡C-CH₂-CH₃
C)CH₃-CH₂-C≡C-CH₂-CH₂-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-CH₂-C≡C-CH₂-CH₂-CH₃
E)none of the above

Question 79

Which of the following is the condensed structural formula for 1-pentyne?

A)CH≡C-CH₂-CH₂-CH₃
B)CH₃-CH₂-C≡C-CH₃
C)CH₃-C≡C-CH₂-CH₂-CH₃
D)CH₃-CH₂-CH₂-C≡C-CH₃
E)none of the above

Question 80

What is the IUPAC name for CH₃-C≡C-CH₂-CH₂-CH₃?

A)hexyne
B)1-hexyne
C)2-hexyne
D)3-hexyne
E)none of the above