Question 1

The segment represents the polymer named

Accepted Answer

A) polybutylene. 
B) polyvinyl chloride. 
C) polypropylene. 
D) polystyrene. 
E) polyethylene. 
A) polybutylene. 
B) polyvinyl chloride. 
C) polypropylene. 
D) polystyrene. 
E) polyethylene.

Question 2

Testosterone is a hormone associated with masculine characteristics.Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Ester 
E) Carboxyl 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Ester 
E) Carboxyl

Question 3

The compound shown below is responsible for the odor in rancid butter.Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Carbonyl 
A) Aldehyde 
B) Ketone 
C) Alcohol 
D) Carboxylic acid 
E) Carbonyl

Question 4

A Kekulé structure is similar to a Lewis structure except that,in a Kekulé structure,

Accepted Answer

A) double bonds are omitted. 
B) resonance structures are not depicted. 
C) lone pairs are omitted. 
D) carbon atoms are omitted. 
E) wedges and lines are used to denote geometry. 
A) double bonds are omitted. 
B) resonance structures are not depicted. 
C) lone pairs are omitted. 
D) carbon atoms are omitted. 
E) wedges and lines are used to denote geometry.

Question 5

Which class or family of compounds contains both the carbonyl group and the amine group?

Accepted Answer

A) Alcohols 
B) Esters 
C) Amide 
D) Carbohydrates 
E) Ketones 
A) Alcohols 
B) Esters 
C) Amide 
D) Carbohydrates 
E) Ketones

Question 6

The most abundant organic chemical on Earth is

Accepted Answer

A) glycogen. 
B) starch. 
C) cellulose. 
D) glucose. 
E) carbonate. 
A) glycogen. 
B) starch. 
C) cellulose. 
D) glucose. 
E) carbonate.

Question 7

Which is a constitutional isomer of the following compound?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Which of these species are structural isomers of C6H14?

Accepted Answer

A) I and II 
B) I and III 
C) II and III 
D) II and IV 
E) III and IV 
A) I and II 
B) I and III 
C) II and III 
D) II and IV 
E) III and IV

Question 9

Organic compounds are obtained from which of the following materials?

Accepted Answer

A) Plants and animals 
B) Rocks 
C) Ocean water 
D) Sand 
E) Reverse osmosis of salt water 
A) Plants and animals 
B) Rocks 
C) Ocean water 
D) Sand 
E) Reverse osmosis of salt water

Question 10

A(n)______________ is an electron lover,positively charged,and an electron pair acceptor (Lewis acid).

Accepted Answer

The answer of A(n)______________ is an electron lover,positively charged,and an...

Question 11

The backbone of a strand of nucleic acid consists of ________ ______ and _________.

Accepted Answer

sugar unit

Question 12

An amino acid is a compound that contains at least

Accepted Answer

A) one amino group and one amide group. 
B) two amino groups and one carboxylic acid group. 
C) one hydroxyl group and one methyl group. 
D) one carboxylic acid group and one amino group. 
E) one methyl group and one amide group. 
A) one amino group and one amide group. 
B) two amino groups and one carboxylic acid group. 
C) one hydroxyl group and one methyl group. 
D) one carboxylic acid group and one amino group. 
E) one methyl group and one amide group.

Question 13

What is the molecular formula for the following compound?

Accepted Answer

A) C16H32 
B) C18H36 
C) C18H38 
D) C17H35 
E) C18H37 
A) C16H32 
B) C18H36 
C) C18H38 
D) C17H35 
E) C18H37

Question 14

Putrescine is produced during the decay and protein breakdown of meats and is responsible for some of the odor found in them.Identify the functional group circled.

Accepted Answer

A) Aldehyde 
B) Ketone 
C) Amide 
D) Nitrile 
E) Amine 
A) Aldehyde 
B) Ketone 
C) Amide 
D) Nitrile 
E) Amine

Question 15

The monomer used to prepare polyvinyl chloride (PVC)is CHCl=CHCl.

Accepted Answer

A) True 
 B)False

Question 16

Which atom in the following molecule is most reactive to nucleophiles?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 17

Which one of these compounds will result from the addition of HCl to CH3−CH=CH2?

Accepted Answer

A) CH3Cl + CH2=CH2 
B) CH3−CHCl=CH2 
C) CH3−CHCl-CH3 
D) CH3−CH2−CH2Cl 
E) None of these choices is correct. 
A) CH3Cl + CH2=CH2 
B) CH3−CHCl=CH2 
C) CH3−CHCl-CH3 
D) CH3−CH2−CH2Cl 
E) None of these choices is correct.

Question 18

How many tertiary carbons does the following molecule have?

Accepted Answer

A) 0 
B) 1 
C) 3 
D) 5 
E) 7 
A) 0 
B) 1 
C) 3 
D) 5 
E) 7

Question 19

What is the molecular formula for CH3CH2CH2CH(OH)CH2CH3?

Accepted Answer

A) C4H9O 
B) C6H13O 
C) C5H13O 
D) C6H14O 
E) C6H12O 
A) C4H9O 
B) C6H13O 
C) C5H13O 
D) C6H14O 
E) C6H12O

Question 20

Which is the correct name for the molecule depicted below?

Accepted Answer

A) 3-ethyl-2,3-dimethyl-1-propanol 
B) 2,3,4-trimethyl-1-butanol 
C) 2,3-dimethyl-1-pentanol 
D) 3,4-dimethyl-5-pentanol 
E) 2,3-dimethyl-1-pentanal 
A) 3-ethyl-2,3-dimethyl-1-propanol 
B) 2,3,4-trimethyl-1-butanol 
C) 2,3-dimethyl-1-pentanol 
D) 3,4-dimethyl-5-pentanol 
E) 2,3-dimethyl-1-pentanal

Exam 25: Organic Chemistry

The segment represents the polymer named

Testosterone is a hormone associated with masculine characteristics.Identify the functional group circled.

The compound shown below is responsible for the odor in rancid butter.Identify the functional group circled.

A Kekulé structure is similar to a Lewis structure except that,in a Kekulé structure,

Which class or family of compounds contains both the carbonyl group and the amine group?

The most abundant organic chemical on Earth is

Which is a constitutional isomer of the following compound?

Which of these species are structural isomers of C6H14?

Organic compounds are obtained from which of the following materials?

A(n)______________ is an electron lover,positively charged,and an electron pair acceptor (Lewis acid).

The backbone of a strand of nucleic acid consists of ________ ______ and _________.

An amino acid is a compound that contains at least

What is the molecular formula for the following compound?

Putrescine is produced during the decay and protein breakdown of meats and is responsible for some of the odor found in them.Identify the functional group circled.

The monomer used to prepare polyvinyl chloride (PVC)is CHCl=CHCl.

Which atom in the following molecule is most reactive to nucleophiles?

Which one of these compounds will result from the addition of HCl to CH3−CH=CH2?

How many tertiary carbons does the following molecule have?

What is the molecular formula for CH3CH2CH2CH(OH)CH2CH3?

Which is the correct name for the molecule depicted below?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I Basic Concepts

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Filters

Which of these species are structural isomers of C₆H₁₄?

The backbone of a strand of nucleic acid consists of and ___.

Which one of these compounds will result from the addition of HCl to CH₃−CH=CH₂?

What is the molecular formula for CH₃CH₂CH₂CH(OH)CH₂CH₃?