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) CHOE) B) and D)
F) B) and C) D

Question 2

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-methylhexaneF) B) and C)
G) C) and D)

Question 3

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.F) B) and E)
G) A) and E)

Question 4

Which one of these structures represents a carboxyl functional group?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) All of the above

Question 5

A pair of nonsuperimposable mirror images is called enantiomers.

Accepted Answer

A) True 
 B)False

Question 6

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-propyloctaneF) None of the above
G) C) and D)

Question 7

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 groupF) D) and E)
G) A) and E)

Question 8

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 groupF) C) and D)
G) None of the above

Question 9

Which of these pairs are geometrical isomers?

Accepted Answer

A)   
B)   
C)   
D)   E) None of the above
F) C) and D)

Question 10

What is the classification of the carbon that has an arrow pointing at it in the structure drawn below? o B) 1o C) 2o D) 3o E) 4o" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 11

Which compound,if any,is optically active?

Accepted Answer

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

Question 12

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 bondsF) A) and B)
G) B) and C)

Question 13

Which one of these structures represents an ester functional group?

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) All of the above

Question 14

_____________ is the name given to a positively charge carbon.

Accepted Answer

Carbocation

Question 15

How many structural isomers are there of C4H10?

Accepted Answer

A)  4
B)  6
C)  2
D)  8
E)  10F) A) and E)
G) None of the above C

Question 16

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)  AlcoholF) B) and E)
G) A) and C)

Question 17

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)  ReductionF) A) and C)
G) A) and D)

Question 18

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-dibromopropaneF) A) and E)
G) None of the above

Question 19

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

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) All of the above
G) D) and E)

Question 20

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

Accepted Answer

A)  Aldehyde
B)  Amine
C)  Amide
D)  Carboxylic acid
E)  EsterF) C) and E)
G) B) and C)

Exam 25: Organic Chemistry

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

Correct AnswerverifiedD

Which name is inconsistent with IUPAC nomenclature rules?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which one of these structures represents a carboxyl functional group?

Correct AnswerverifiedShow Answer

A pair of nonsuperimposable mirror images is called enantiomers.

Correct AnswerverifiedShow Answer

Which is the correct name for the molecule depicted below?

Correct AnswerverifiedShow Answer

What name is given to the -NR2 group?

Correct AnswerverifiedShow Answer

What is the name of this functional group?

Correct AnswerverifiedShow Answer

Which of these pairs are geometrical isomers?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which compound,if any,is optically active?

Correct AnswerverifiedShow Answer

How are aliphatic compounds defined?

Correct AnswerverifiedShow Answer

Which one of these structures represents an ester functional group?

Correct AnswerverifiedShow Answer

_____________ is the name given to a positively charge carbon.

Correct AnswerverifiedCarbocation

How many structural isomers are there of C4H10?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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? .

Correct AnswerverifiedShow Answer

Which is the correct name for the molecule depicted below?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

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D

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What name is given to the -NR² group?

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Carbocation

How many structural isomers are there of C₄H₁₀?

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C

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

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