Question 1

Margarine is made by the hydrogenation of vegetable oils.

Accepted Answer

A) True 
 B)False

Question 2

Palladium is a catalyst used in hydrogenation.

Accepted Answer

A) True 
 B)False

Question 3

What is the IUPAC name of the simplest alkene?

Accepted Answer

A) cyclopropene 
B) methene 
C) propyne 
D) ethylene 
E) ethene 
A) cyclopropene 
B) methene 
C) propyne 
D) ethylene 
E) ethene

Question 4

In the food industry,what substance undergoes hydrogenation to produce margarine?

Accepted Answer

A) vegetable oils 
B) cholesterol 
C) wheat 
D) eggs 
E) lard 
A) vegetable oils 
B) cholesterol 
C) wheat 
D) eggs 
E) lard

Question 5

What is the IUPAC name of the compound below?

Accepted Answer

A) trans-1-bromo-1-methyl-2-pentene 
B) 2-bromohexene 
C) trans-2-bromo-3-hexene 
D) cis-5-bromo-3-hexene 
E) cis-1-bromomethyl-2-pentene 
A) trans-1-bromo-1-methyl-2-pentene 
B) 2-bromohexene 
C) trans-2-bromo-3-hexene 
D) cis-5-bromo-3-hexene 
E) cis-1-bromomethyl-2-pentene

Question 6

What is true about a compound with the name 3,3-dimethyl-1-butyne?

Accepted Answer

A) It is aromatic. 
B) It contains a carbonyl group. 
C) It contains a carbon-carbon double bond. 
D) It contains a carbon-carbon triple bond. 
E) It contains a benzene ring. 
A) It is aromatic. 
B) It contains a carbonyl group. 
C) It contains a carbon-carbon double bond. 
D) It contains a carbon-carbon triple bond. 
E) It contains a benzene ring.

Question 7

What is the correct IUPAC name for the compound shown below?

Accepted Answer

A) 2-methyl-1-butene 
B) 2-ethylpropene 
C) cis-2-methyl-1-butene 
D) trans-2-ethyl-2-methylbutene 
E) trans-2-ethyl-2-methylethene 
A) 2-methyl-1-butene 
B) 2-ethylpropene 
C) cis-2-methyl-1-butene 
D) trans-2-ethyl-2-methylbutene 
E) trans-2-ethyl-2-methylethene

Question 8

What is the IUPAC name of the following compound?

Accepted Answer

A) 4-methyl-2-heptyne 
B) 4-methyl-5-heptyne 
C) 4-ethyl-4-methylbutane 
D) 4-propyl-2-pentyne 
E) 2-propyl-3-butyne 
A) 4-methyl-2-heptyne 
B) 4-methyl-5-heptyne 
C) 4-ethyl-4-methylbutane 
D) 4-propyl-2-pentyne 
E) 2-propyl-3-butyne

Question 9

Pyridine,shown below,is a heterocyclic aromatic compound.

Accepted Answer

A) True 
 B)False

Question 10

An organic compound is classified as aromatic if it fits which of the following criteria?

Accepted Answer

A) It is fragrant. 
B) It is cyclic. 
C) It contains at least one C=C bond. 
D) It contains a benzene ring. 
E) It follows Markovnikov's rule. 
A) It is fragrant. 
B) It is cyclic. 
C) It contains at least one C=C bond. 
D) It contains a benzene ring. 
E) It follows Markovnikov's rule.

Question 11

Acetylene (ethyne)is a gas at room temperature because its boiling point is -84°C.What type of intermolecular forces hold molecules of acetylene together in a collection?

Accepted Answer

A) London dispersion forces 
B) hydrogen bonding 
C) ionic bonding 
D) dipole-dipole forces 
E) covalent bonds 
A) London dispersion forces 
B) hydrogen bonding 
C) ionic bonding 
D) dipole-dipole forces 
E) covalent bonds

Question 12

Bombykol is a pheromone secreted by the female silkworm moth to attract males.This compound contains two alkene double bonds.Which of the following correctly describes the geometry around each?

Accepted Answer

A) The double bond at C10 is cis and the double bond at C12 is trans. 
B) The double bonds at C10 and C12 are both cis. 
C) The double bonds at C10 and C12 are both trans. 
D) The double bond at C10 is trans and the double bond at C12 is cis. 
E) It is impossible to tell from the line formula alone. 
A) The double bond at C10 is cis and the double bond at C12 is trans. 
B) The double bonds at C10 and C12 are both cis. 
C) The double bonds at C10 and C12 are both trans. 
D) The double bond at C10 is trans and the double bond at C12 is cis. 
E) It is impossible to tell from the line formula alone.

Question 13

What is the structure and name of the product of the following reaction? $\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } = \mathrm { CH } _ { 2 } + \mathrm { H } _ { 2 } \stackrel { \text { Pd, heat } } { \longrightarrow } \text { ? }$

Accepted Answer

A) CH3CH2CHCH3,butane 
B) CH3CH2CH2CH3,butane 
C) CH3CH2C?CH,butyne 
D) CH3CH2CH2CH3,propane 
E) None of the choices are correct. 
A) CH3CH2CHCH3,butane 
B) CH3CH2CH2CH3,butane 
C) CH3CH2C?CH,butyne 
D) CH3CH2CH2CH3,propane 
E) None of the choices are correct.

Question 14

Which reaction may be used to convert an alkene to an alkane?

Accepted Answer

A) hydrohalogenation 
B) substitution 
C) hydrogenation 
D) hydration 
E) hydrocarbonation 
A) hydrohalogenation 
B) substitution 
C) hydrogenation 
D) hydration 
E) hydrocarbonation

Question 15

What is the molecular formula of the structure shown below?

Accepted Answer

A) C6 
B) C6H6 
C) C6H10 
D) C6H12 
E) C6H14 
A) C6 
B) C6H6 
C) C6H10 
D) C6H12 
E) C6H14

Question 16

What is the structure of the product of the following reaction? $\mathrm { H } _ { 2 } \mathrm { C } = \mathrm { CH } _ { 2 } + \mathrm { H } _ { 2 } \mathrm { O } \stackrel { \text { acid catalyst } } { \longrightarrow } \text { ? }$

Accepted Answer

A) CH3CH2O 
B) CH3CH3 
C) CH3CH2OH 
D) HOCH2CH2OH 
E) None of the choices are correct. 
A) CH3CH2O 
B) CH3CH3 
C) CH3CH2OH 
D) HOCH2CH2OH 
E) None of the choices are correct.

Question 17

What catalysts are often used in the hydrogenation of alkenes?

Accepted Answer

A) platinum,palladium,and nickel 
B) copper,chromium,and zinc 
C) acid,base,and nickel 
D) gold,silver,and aluminum 
E) platinum,gold,and silver 
A) platinum,palladium,and nickel 
B) copper,chromium,and zinc 
C) acid,base,and nickel 
D) gold,silver,and aluminum 
E) platinum,gold,and silver

Question 18

What are the bond angles around the carbon atoms in CH2=CH2?

Accepted Answer

A) 180° 
B) 150° 
C) 120° 
D) 109.5° 
E) 90° 
A) 180° 
B) 150° 
C) 120° 
D) 109.5° 
E) 90°

Question 19

What are the health risks associated with trans-fatty acids?

Accepted Answer

A) elevated levels of LDL (bad)cholesterol 
B) decreased levels of HDL (good)cholesterol 
C) increased risk of developing type-2 diabetes 
D) All of the choices are correct. 
E) None of the choices are correct. 
A) elevated levels of LDL (bad)cholesterol 
B) decreased levels of HDL (good)cholesterol 
C) increased risk of developing type-2 diabetes 
D) All of the choices are correct. 
E) None of the choices are correct.

Question 20

What is the name of the compound formed by the chlorination (addition of Cl2)of propene?

Accepted Answer

A) 1,1-dichloropropane 
B) 1,2-dichloropropane 
C) 2,2-dichloropropane 
D) 1-chloropropane 
E) 2-chloropropane 
A) 1,1-dichloropropane 
B) 1,2-dichloropropane 
C) 2,2-dichloropropane 
D) 1-chloropropane 
E) 2-chloropropane

Exam 11: The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Margarine is made by the hydrogenation of vegetable oils.

Palladium is a catalyst used in hydrogenation.

What is the IUPAC name of the simplest alkene?

In the food industry,what substance undergoes hydrogenation to produce margarine?

What is the IUPAC name of the compound below?

What is true about a compound with the name 3,3-dimethyl-1-butyne?

What is the correct IUPAC name for the compound shown below?

What is the IUPAC name of the following compound?

Pyridine,shown below,is a heterocyclic aromatic compound.

An organic compound is classified as aromatic if it fits which of the following criteria?

Acetylene (ethyne)is a gas at room temperature because its boiling point is -84°C.What type of intermolecular forces hold molecules of acetylene together in a collection?

Bombykol is a pheromone secreted by the female silkworm moth to attract males.This compound contains two alkene double bonds.Which of the following correctly describes the geometry around each?

Which reaction may be used to convert an alkene to an alkane?

What is the molecular formula of the structure shown below?

What catalysts are often used in the hydrogenation of alkenes?

What are the bond angles around the carbon atoms in CH2=CH2?

What are the health risks associated with trans-fatty acids?

What is the name of the compound formed by the chlorination (addition of Cl2)of propene?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

What are the bond angles around the carbon atoms in CH₂=CH₂?

What is the name of the compound formed by the chlorination (addition of Cl₂)of propene?