Question 1

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and E)
G) A) and D)

Question 2

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) B) and D)
G) B) and E)

Question 3

Which of the following names is correct?

Accepted Answer

A)   2-bromo-5-ethylhexane
B)   2-ethyl-5-bromohexane
C)   5-ethyl-2-bromohexane
D)   2-bromo-5-methylheptane
E)   5-methyl-2-bromoheptaneF) C) and E)
G) B) and D)

Question 4

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point.
1 CH3CH2CH2CH2OH
2 CH3CH2(CH3) CHOH
3 (CH3) 3COH
4 HOCH2CH2CH2OH

Accepted Answer

A)   1>2>3>4
B)   4>3>2>1
C)   3>2>1>4
D)  4>1>2>3
E)   1>2>4>3F) A) and B)
G) A) and C)

Question 5

Choose the best name for the following compound.

Accepted Answer

A)   dimethoxyethyl ether
B)   dimethoxyethane
C)   1,2-dimethoxyethane
D)   1,3-dioxobutane
E)   2-methoxyethyl methyl etherF) B) and E)
G) All of the above

Question 6

Which of the following is a tertiary amine?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) B) and D)
G) C) and D) D

Question 7

Why, primarily, does tetrahydrofuran (THF, bp 66 °C)  have a higher boiling point than cyclopentane (bp 49 °C) ?

Accepted Answer

A)   increased London dispersion forces
B)   hydrogen bonding
C)   increased mass
D)   decreased London dispersion forces
E)   dipole-dipole interactionsF) B) and D)
G) D) and E)

Question 8

Choose the best name for the following compound.

Accepted Answer

A)   N,N,N-diethylisopropylamine
B)   N,N-diethyl-2-propanamine
C)   diethyl-2-propanamine
D)   diethyl-N-propanamine
E)   N,N-diethylpropylamineF) None of the above
G) C) and D) B

Question 9

Choose the best name for the following compound.

Accepted Answer

A)   1-ethyl-2-methylcyclopentanol
B)   1-ethyl-2-methyl-3-cyclopentanol
C)   3-methyl-4-ethylcyclopentanol
D)   4-ethyl-3-methylcyclopentanol
E)   3-ethyl-4-methylcyclopentanolF) B) and E)
G) C) and D)

Question 10

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Accepted Answer

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

Exam 3: An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Correct Answer
verified

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Correct Answer
verified

Which of the following names is correct?

Correct Answer
verified

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH₃CH₂CH₂CH₂OH 2 CH₃CH₂(CH₃) CHOH 3 (CH₃) ₃COH 4 HOCH₂CH₂CH₂OH

Correct Answer
verified

Choose the best name for the following compound.

Correct Answer
verified

Which of the following is a tertiary amine?

Correct Answer
verified
D

Why, primarily, does tetrahydrofuran (THF, bp 66 °C) have a higher boiling point than cyclopentane (bp 49 °C) ?

Correct Answer
verified

Choose the best name for the following compound.

Correct Answer
verified
B

Choose the best name for the following compound.

Correct Answer
verified

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Correct Answer
verified
B

Exam 3: An Introduction to Organic Compounds Nomenclature, Physical Properties, and Structure

Which of the following trimethylcyclohexanes has the most stable chair conformer?

Correct AnswerverifiedShow Answer

Which of the following dimethylcyclohexanes has the most stable chair conformer?

Correct AnswerverifiedShow Answer

Which of the following names is correct?

Correct AnswerverifiedShow Answer

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH3CH2CH2CH2OH 2 CH3CH2(CH3) CHOH 3 (CH3) 3COH 4 HOCH2CH2CH2OH

Correct AnswerverifiedShow Answer

Choose the best name for the following compound.

Correct AnswerverifiedShow Answer

Which of the following is a tertiary amine?

Correct AnswerverifiedD

Why, primarily, does tetrahydrofuran (THF, bp 66 °C) have a higher boiling point than cyclopentane (bp 49 °C) ?

Correct AnswerverifiedShow Answer

Choose the best name for the following compound.

Correct AnswerverifiedB

Choose the best name for the following compound.

Correct AnswerverifiedShow Answer

How many of the nine constitutional isomers of heptane lack a secondary carbon?

Correct AnswerverifiedB

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Rank the alcohols, all of similar molecular mass, in order of decreasing boiling point. 1 CH₃CH₂CH₂CH₂OH 2 CH₃CH₂(CH₃) CHOH 3 (CH₃) ₃COH 4 HOCH₂CH₂CH₂OH

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified
B