Question 1

Helical and sheet-like segments in proteins arise from

Accepted Answer

A)  disulfide bridges. 
B)  salt bridges. 
C)  crosslinking via covalent bonds. 
D)  dispersion forces within the protein's interior. 
E)  hydrogen bonding. 
A)  disulfide bridges. 
B)  salt bridges. 
C)  crosslinking via covalent bonds. 
D)  dispersion forces within the protein's interior. 
E)  hydrogen bonding.

Question 2

Identify the principal organic product when benzyl chloride reacts with aqueous sodium hydroxide.

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these choices is correct. 
A)    
B)    
C)    
D)    
E)  None of these choices is correct.

Question 3

Select the correct name for this compound.

Accepted Answer

A)  1,1,3-triethyl-2-methylbutane 
B)  1,1-diethyl-2,3-dimethylpentane 
C)  2,4-diethyl-3-methylhexane 
D)  3-ethyl-4,5-dimethylheptane 
E)  None of these choices is correct. 
A)  1,1,3-triethyl-2-methylbutane 
B)  1,1-diethyl-2,3-dimethylpentane 
C)  2,4-diethyl-3-methylhexane 
D)  3-ethyl-4,5-dimethylheptane 
E)  None of these choices is correct.

Question 4

Select the correct name for the following compound.

Accepted Answer

A)  cis-2,3-dimethyl-4-hexene 
B)  trans-2,3-dimethyl-4-hexene 
C)  cis-4,5-dimethyl-2-hexene 
D)  trans-4,5-dimethyl-2-hexene 
E)  trans-4,5-dimethyl-2-heptene 
A)  cis-2,3-dimethyl-4-hexene 
B)  trans-2,3-dimethyl-4-hexene 
C)  cis-4,5-dimethyl-2-hexene 
D)  trans-4,5-dimethyl-2-hexene 
E)  trans-4,5-dimethyl-2-heptene

Question 5

Both nylons and proteins are polyamides.

Accepted Answer

A) True 
 B)False

Question 6

Select the correct name for this compound.

Accepted Answer

A)  2-ethyl-4-propylcycloheptene 
B)  3-ethyl-5-propylcycloheptene 
C)  6-ethyl-4-propylcycloheptene 
D)  7-ethyl-5-propylcycloheptene 
E)  3-ethyl-5-propylcyclohexene 
A)  2-ethyl-4-propylcycloheptene 
B)  3-ethyl-5-propylcycloheptene 
C)  6-ethyl-4-propylcycloheptene 
D)  7-ethyl-5-propylcycloheptene 
E)  3-ethyl-5-propylcyclohexene

Question 7

Select the correct type for the following reaction.

Accepted Answer

A)  addition 
B)  elimination 
C)  substitution 
D)  oxidation 
E)  dehydrogenation 
A)  addition 
B)  elimination 
C)  substitution 
D)  oxidation 
E)  dehydrogenation

Question 8

The reaction of bromine with an alkene such as cyclopentene is a good laboratory test for the presence of a double bond in a compound. What type of reaction is it?

Accepted Answer

A)  addition 
B)  elimination 
C)  substitution 
D)  displacement 
E)  reduction 
A)  addition 
B)  elimination 
C)  substitution 
D)  displacement 
E)  reduction

Question 9

Secondary amines have the general formula RNH2.

Accepted Answer

A) True 
 B)False

Question 10

Both alkenes and alkynes exhibit geometric (cis/trans) isomerism.

Accepted Answer

A) True 
 B)False

Question 11

Anethole, a derivative of anise, is used in flavoring and as perfume in soap and toothpaste. Identify the functional group circled.

Accepted Answer

A)  aldehyde 
B)  ketone 
C)  alcohol 
D)  ester 
E)  ether 
A)  aldehyde 
B)  ketone 
C)  alcohol 
D)  ester 
E)  ether

Question 12

Identify the principal organic product of the reaction between butane and chlorine.

Accepted Answer

A)  CH3Cl 
B)  CH3CH2Cl 
C)  CH3CHClCH3 
D)  CH3CH2CHClCH3 
E)  None of these choices is a major product of the reaction. 
A)  CH3Cl 
B)  CH3CH2Cl 
C)  CH3CHClCH3 
D)  CH3CH2CHClCH3 
E)  None of these choices is a major product of the reaction.

Question 13

Aspirin is an effective and widely used pain reliever. Identify the functional group circled.

Accepted Answer

A)  aldehyde 
B)  ketone 
C)  ester 
D)  carboxylic acid 
E)  carbonyl 
A)  aldehyde 
B)  ketone 
C)  ester 
D)  carboxylic acid 
E)  carbonyl

Question 14

In one sentence, what is the general requirement for a molecule to be optically active?

Accepted Answer

In order to be optic

Question 15

The millipede ejects the compound shown below to protect itself from its enemies. Identify the functional group circled.

Accepted Answer

A)  nitrile 
B)  alcohol 
C)  amide 
D)  amine 
E)  nitro 
A)  nitrile 
B)  alcohol 
C)  amide 
D)  amine 
E)  nitro

Question 16

Select the correct name for this compound.

Accepted Answer

A)  1,2-diethyl-1-methyl-3-propyl-4-isobutylhexane 
B)  1,6,6-trimethyl-1,2,4-triethyl-3-propylhexane 
C)  1,1,6-trimethyl-3,5,6-triethyl-4-propylhexane 
D)  4,6-diethyl-2,7-dimethyl-5-propylnonane 
E)  3,5-diethyl-1,1,6-trimethyl-4-propyloctane 
A)  1,2-diethyl-1-methyl-3-propyl-4-isobutylhexane 
B)  1,6,6-trimethyl-1,2,4-triethyl-3-propylhexane 
C)  1,1,6-trimethyl-3,5,6-triethyl-4-propylhexane 
D)  4,6-diethyl-2,7-dimethyl-5-propylnonane 
E)  3,5-diethyl-1,1,6-trimethyl-4-propyloctane

Question 17

A characteristic reaction of alkenes is addition.

Accepted Answer

A) True 
 B)False

Question 18

Select the correct name for this compound.

Accepted Answer

A)  cis-2,5-diethyl-6-methyl-3-nonene 
B)  2,5-diethyl-6-methyl-3-nonene 
C)  cis-4,6-diethyl-3-methyl-6-nonene 
D)  4,6-diethyl-3-methyl-6-nonene 
E)  trans-2,5-diethyl-6-methyl-3-nonene 
A)  cis-2,5-diethyl-6-methyl-3-nonene 
B)  2,5-diethyl-6-methyl-3-nonene 
C)  cis-4,6-diethyl-3-methyl-6-nonene 
D)  4,6-diethyl-3-methyl-6-nonene 
E)  trans-2,5-diethyl-6-methyl-3-nonene

Question 19

Glycerin is used in cosmetics as a moisturizer. Identify the functional group circled.

Accepted Answer

A)  carboxylic acid 
B)  alcohol 
C)  ester 
D)  ether 
E)  aldehyde 
A)  carboxylic acid 
B)  alcohol 
C)  ester 
D)  ether 
E)  aldehyde

Question 20

Write down the structure of the missing organic reactant or product(s) in the following reactions, and name the type of reaction involved (inorganic products may also be formed):

Accepted Answer

A. @#IMG-DLM& B. @#IMG-DLM& C.

Exam 15: Organic Compounds and the Atomic Properties of Carbon

Helical and sheet-like segments in proteins arise from

Identify the principal organic product when benzyl chloride reacts with aqueous sodium hydroxide.

Select the correct name for this compound.

Select the correct name for the following compound.

Both nylons and proteins are polyamides.

Select the correct name for this compound.

Select the correct type for the following reaction.

The reaction of bromine with an alkene such as cyclopentene is a good laboratory test for the presence of a double bond in a compound. What type of reaction is it?

Secondary amines have the general formula RNH2.

Both alkenes and alkynes exhibit geometric (cis/trans) isomerism.

Anethole, a derivative of anise, is used in flavoring and as perfume in soap and toothpaste. Identify the functional group circled.

Identify the principal organic product of the reaction between butane and chlorine.

Aspirin is an effective and widely used pain reliever. Identify the functional group circled.

In one sentence, what is the general requirement for a molecule to be optically active?

The millipede ejects the compound shown below to protect itself from its enemies. Identify the functional group circled.

Select the correct name for this compound.

A characteristic reaction of alkenes is addition.

Select the correct name for this compound.

Glycerin is used in cosmetics as a moisturizer. Identify the functional group circled.

Write down the structure of the missing organic reactant or product(s) in the following reactions, and name the type of reaction involved (inorganic products may also be formed):

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Secondary amines have the general formula RNH₂.