Question 1

Which compound listed below is a structural isomer of CH3CH2COOH and exhibits optical isomerism?

Accepted Answer

A) CH3COOCH3 
B) CH3COCH2OH 
C) HOCH=CHOCH3 
D) CH3CH(OH)CHO 
A) CH3COOCH3 
B) CH3COCH2OH 
C) HOCH=CHOCH3 
D) CH3CH(OH)CHO D

Question 2

How many structural isomers are there of C4H10?

Accepted Answer

A) 4 
B) 6 
C) 2 
D) 8 
E) 10 
A) 4 
B) 6 
C) 2 
D) 8 
E) 10 C

Question 3

_____________ is the name given to a positively charge carbon.

Accepted Answer

Carbocation

Question 4

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 5

Which compound,if any,is optically active?

Accepted Answer

A)    
B)    
C)    
D)    
E) None of these structures is optically active. 
A)    
B)    
C)    
D)    
E) None of these structures is optically active.

Question 6

A pair of nonsuperimposable mirror images is called enantiomers.

Accepted Answer

A) True 
 B)False

Question 7

Which is the correct name for the molecule depicted below?

Accepted Answer

A) 2,3-dibromopentane 
B) 1,2-dibromopentane 
C) 2,3-dibromopropane 
D) 1,2-propane dibromide 
E) 1,2-dibromopropane 
A) 2,3-dibromopentane 
B) 1,2-dibromopentane 
C) 2,3-dibromopropane 
D) 1,2-propane dibromide 
E) 1,2-dibromopropane

Question 8

How are aliphatic compounds defined?

Accepted Answer

A) Organic compounds that contain the benzene ring 
B) Organic compounds that do not contain the benzene ring 
C) Inorganic compounds that do not contain the benzene ring 
D) Inorganic compounds that contain the benzene ring 
E) Compounds containing double bonds 
A) Organic compounds that contain the benzene ring 
B) Organic compounds that do not contain the benzene ring 
C) Inorganic compounds that do not contain the benzene ring 
D) Inorganic compounds that contain the benzene ring 
E) Compounds containing double bonds

Question 9

Which name is inconsistent with IUPAC nomenclature rules?

Accepted Answer

A) 4,5-dimethyloctane 
B) 2,3-dimethyl-4-propyldecane 
C) 3,4-dimethyl-4-propyloctane 
D) 3,3,5-triethyl-3-methylheptane 
E) 2-ethyl-4-methylhexane 
A) 4,5-dimethyloctane 
B) 2,3-dimethyl-4-propyldecane 
C) 3,4-dimethyl-4-propyloctane 
D) 3,3,5-triethyl-3-methylheptane 
E) 2-ethyl-4-methylhexane

Question 10

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below?

Accepted Answer

A) 0o 
B) 1o 
C) 2o 
D) 3o 
E) 4o 
A) 0o 
B) 1o 
C) 2o 
D) 3o 
E) 4o

Question 11

Enflurane is an effective gaseous anesthetic with relatively low flammability.Identify the functional group circled.

Accepted Answer

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

Question 12

Each amino acid has two functional groups in common and one of 20 other groups attached to the α-carbon.The two functional groups are

Accepted Answer

A) carboxyl and amine. 
B) ester and amine. 
C) carboxyl and amide. 
D) alcohol and amine. 
E) carboxyl and peptide. 
A) carboxyl and amine. 
B) ester and amine. 
C) carboxyl and amide. 
D) alcohol and amine. 
E) carboxyl and peptide.

Question 13

Which of these pairs are geometrical isomers?

Accepted Answer

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

Question 14

Which is the correct name for the molecule depicted below?

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 15

What is the name of this functional group?

Accepted Answer

A) 3º amino group 
B) Hydroxy group 
C) Amide group 
D) Carbonyl group 
E) Nitrile group 
A) 3º amino group 
B) Hydroxy group 
C) Amide group 
D) Carbonyl group 
E) Nitrile group

Question 16

Which one of these structures represents an ester functional group?

Accepted Answer

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

Question 17

What name is given to the -NR2 group?

Accepted Answer

A) 3º amino group 
B) Carbonyl group 
C) Amide group 
D) 2º amino group 
E) Nitride group 
A) 3º amino group 
B) Carbonyl group 
C) Amide group 
D) 2º amino group 
E) Nitride group

Question 18

What name is given to a compound containing a -NH2 group?

Accepted Answer

A) Aldehyde 
B) Amine 
C) Amide 
D) Carboxylic acid 
E) Ester 
A) Aldehyde 
B) Amine 
C) Amide 
D) Carboxylic acid 
E) Ester

Question 19

Which one of these structures represents a carboxyl functional group?

Accepted Answer

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

Question 20

Which has the IUPAC name of 1-chloro-3-fluoro-2-methylbutane?

Accepted Answer

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

Exam 25: Organic Chemistry

Which compound listed below is a structural isomer of CH3CH2COOH and exhibits optical isomerism?

How many structural isomers are there of C4H10?

_____________ is the name given to a positively charge carbon.

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? .

Which compound,if any,is optically active?

A pair of nonsuperimposable mirror images is called enantiomers.

Which is the correct name for the molecule depicted below?

How are aliphatic compounds defined?

Which name is inconsistent with IUPAC nomenclature rules?

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below?

Enflurane is an effective gaseous anesthetic with relatively low flammability.Identify the functional group circled.

Each amino acid has two functional groups in common and one of 20 other groups attached to the α-carbon.The two functional groups are

Which of these pairs are geometrical isomers?

Which is the correct name for the molecule depicted below?

What is the name of this functional group?

Which one of these structures represents an ester functional group?

What name is given to the -NR2 group?

What name is given to a compound containing a -NH2 group?

Which one of these structures represents a carboxyl functional group?

Which has the IUPAC name of 1-chloro-3-fluoro-2-methylbutane?

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 compound listed below is a structural isomer of CH₃CH₂COOH and exhibits optical isomerism?

How many structural isomers are there of C₄H₁₀?

What name is given to the -NR² group?

What name is given to a compound containing a -NH₂ group?