Question 1

The compound shown below is classified as what type?

Accepted Answer

A) alcohol 
B) ether 
C) carboxylic acid 
D) amine 
E) ketone 
A) alcohol 
B) ether 
C) carboxylic acid 
D) amine 
E) ketone

Question 2

Hexane commonly exists in either a chair conformation or a boat conformation.

Accepted Answer

A) True 
 B)False

Question 3

What is the IUPAC name of the following compound?

Accepted Answer

A) 2,2-dimethylpropane 
B) 2-methylbutane 
C) dimethylbutane 
D) tetramethylethane 
E) 2,2,2-trimethylmethane 
A) 2,2-dimethylpropane 
B) 2-methylbutane 
C) dimethylbutane 
D) tetramethylethane 
E) 2,2,2-trimethylmethane

Question 4

Which type of compound is NOT classified as an aliphatic hydrocarbon?

Accepted Answer

A) alkyne 
B) aromatic 
C) cycloalkane 
D) alkene 
E) alkane 
A) alkyne 
B) aromatic 
C) cycloalkane 
D) alkene 
E) alkane

Question 5

How do the different conformations of an alkane molecule arise?

Accepted Answer

A) through C-C bond cleavage 
B) by rotation about C-C single bonds 
C) through oxidation of C-C bonds 
D) by rearrangement of the order of attachment of atoms in the molecule 
E) by combustion and halogenation reactions 
A) through C-C bond cleavage 
B) by rotation about C-C single bonds 
C) through oxidation of C-C bonds 
D) by rearrangement of the order of attachment of atoms in the molecule 
E) by combustion and halogenation reactions

Question 6

Which equation properly represents the complete combustion of propane, C3H8?

Accepted Answer

A) C3H8 + 7O2 → 3CO2 + 8H2O 
B) C3H8 + 5O2 → 3CO2 + 4H2O 
C) C3H8 + 10O → 3CO2 + 4H2O 
D) C3H8 + 7O → 3CO + 4H2O 
E) 2C3H8 + 7O2 → 6CO + 8H2O 
A) C3H8 + 7O2 → 3CO2 + 8H2O 
B) C3H8 + 5O2 → 3CO2 + 4H2O 
C) C3H8 + 10O → 3CO2 + 4H2O 
D) C3H8 + 7O → 3CO + 4H2O 
E) 2C3H8 + 7O2 → 6CO + 8H2O

Question 7

Functional groups are primarily responsible for the chemical properties of molecules in which they are found.Which of the following compounds have the same functional group, and would therefore have the same chemical properties?

Accepted Answer

A) A and D 
B) B and C 
C) B and D 
D) A, B, and D 
E) B, C, and D 
A) A and D 
B) B and C 
C) B and D 
D) A, B, and D 
E) B, C, and D

Question 8

Which one of the following structures represents an unstable organic compound that is not likely to exist?

Accepted Answer

A)    
B)    
C)    
D) CH2=CHCH2CH3 
E) CH3CH2CH(CH3)2 
A)    
B)    
C)    
D) CH2=CHCH2CH3 
E) CH3CH2CH(CH3)2

Question 9

What word best describes the geometry (shape) around a carbon atom that has four single bonds to neighboring atoms?

Accepted Answer

A) tetrahedral 
B) planar 
C) regular 
D) linear 
E) unsaturated 
A) tetrahedral 
B) planar 
C) regular 
D) linear 
E) unsaturated

Question 10

Which compound is an isomer of pentane?

Accepted Answer

A) 2-methylpentane 
B) ethylcyclopropane 
C) 2,2-dimethylpropane 
D) cyclopentane 
E) methylcyclobutane 
A) 2-methylpentane 
B) ethylcyclopropane 
C) 2,2-dimethylpropane 
D) cyclopentane 
E) methylcyclobutane

Question 11

Organic compounds tend to have higher boiling points than inorganic compounds.

Accepted Answer

A) True 
 B)False

Question 12

Urea, shown below, is an isomer of ammonium cyanate, NH4OCN.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is a correct description of saturated hydrocarbons?

Accepted Answer

A) contain only single carbon-carbon bonds 
B) contain only double carbon-carbon bonds 
C) contain a mixture of single and double carbon-carbon bonds 
D) contain a mixture of double and triple carbon-carbon bonds 
E) contain a mixture of single, double, and triple carbon-carbon bonds 
A) contain only single carbon-carbon bonds 
B) contain only double carbon-carbon bonds 
C) contain a mixture of single and double carbon-carbon bonds 
D) contain a mixture of double and triple carbon-carbon bonds 
E) contain a mixture of single, double, and triple carbon-carbon bonds

Question 14

Alkanes are more soluble in water than in nonpolar solvents.

Accepted Answer

A) True 
 B)False

Question 15

Traces of chloroform, CHCl3, were found in the trunk of a car of a Florida woman who was charged in the death of her child.Which of the following best represents the order of attachment of the atoms in chloroform?

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of the choices are correct. 
A)    
B)    
C)    
D)    
E)  None of the choices are correct.

Question 16

Which functional group is found in alcohols?

Accepted Answer

A) carboxyl 
B) carboxy 
C) amino 
D) carbonyl 
E) hydroxyl 
A) carboxyl 
B) carboxy 
C) amino 
D) carbonyl 
E) hydroxyl

Question 17

What term is used to describe the various spatial arrangements of a molecule formed by rotation around C-C single bonds?

Accepted Answer

A) geometric isomers 
B) conformations 
C) constitutional isomers 
D) enantiomers 
E) structural isomers 
A) geometric isomers 
B) conformations 
C) constitutional isomers 
D) enantiomers 
E) structural isomers

Question 18

What is the IUPAC name of the following compound?

Accepted Answer

A) 3-ethylpentane 
B) 3-methylheptane 
C) 1,4-dimethylpentane 
D) 3-ethylheptane 
E) 2-methyl-diethylmethane 
A) 3-ethylpentane 
B) 3-methylheptane 
C) 1,4-dimethylpentane 
D) 3-ethylheptane 
E) 2-methyl-diethylmethane

Question 19

How many secondary and tertiary carbons, respectively, are in the following compound?

Accepted Answer

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

Question 20

What is the classification of the carbon atom that is bonded to the -OH group in menthol?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) pentary 
A) primary 
B) secondary 
C) tertiary 
D) quaternary 
E) pentary

Exam 10: An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The compound shown below is classified as what type?

Hexane commonly exists in either a chair conformation or a boat conformation.

What is the IUPAC name of the following compound?

Which type of compound is NOT classified as an aliphatic hydrocarbon?

How do the different conformations of an alkane molecule arise?

Which equation properly represents the complete combustion of propane, C3H8?

Functional groups are primarily responsible for the chemical properties of molecules in which they are found.Which of the following compounds have the same functional group, and would therefore have the same chemical properties?

Which one of the following structures represents an unstable organic compound that is not likely to exist?

What word best describes the geometry (shape) around a carbon atom that has four single bonds to neighboring atoms?

Which compound is an isomer of pentane?

Organic compounds tend to have higher boiling points than inorganic compounds.

Urea, shown below, is an isomer of ammonium cyanate, NH4OCN.

Which of the following is a correct description of saturated hydrocarbons?

Alkanes are more soluble in water than in nonpolar solvents.

Traces of chloroform, CHCl3, were found in the trunk of a car of a Florida woman who was charged in the death of her child.Which of the following best represents the order of attachment of the atoms in chloroform?

Which functional group is found in alcohols?

What term is used to describe the various spatial arrangements of a molecule formed by rotation around C-C single bonds?

What is the IUPAC name of the following compound?

How many secondary and tertiary carbons, respectively, are in the following compound?

What is the classification of the carbon atom that is bonded to the -OH group in menthol?

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

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

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

Which equation properly represents the complete combustion of propane, C₃H₈?

Urea, shown below, is an isomer of ammonium cyanate, NH₄OCN.

Traces of chloroform, CHCl₃, were found in the trunk of a car of a Florida woman who was charged in the death of her child.Which of the following best represents the order of attachment of the atoms in chloroform?