Question 1

Which of the following structures represents trans-1,3-dimethylcyclohexane?

Accepted Answer

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

Question 2

How many constitutional isomers are there with the molecular formula C6H14?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  8 
A)  3 
B)  4 
C)  5 
D)  8

Question 3

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.   ​  
-Conformation A is represented by Roman numeral ____.

Accepted Answer

The answer of Match the Newman projection for the conformation...

Question 4

What is "X" in the following reaction? ?  $\underset{\text { Catalyst }}{\stackrel{-\mathrm{H}_{2}}{\longrightarrow}}$$\times$$\underset{-3 \mathrm{H}_{2}}{\stackrel{\text { Catalyst }}{\longrightarrow}}$

Accepted Answer

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

Question 5

Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups?

Accepted Answer

A)  1,1-dimethylcyclohexane 
B)  cis-1,2-dimethylcyclohexane 
C)  trans-1,2-dimethylcyclohexane 
D)  cis-1,3-dimethylcyclohexane 
A)  1,1-dimethylcyclohexane 
B)  cis-1,2-dimethylcyclohexane 
C)  trans-1,2-dimethylcyclohexane 
D)  cis-1,3-dimethylcyclohexane

Question 6

Identify the constitutional isomer with the molecular formula C7H16. ​

Accepted Answer

A)  Only I 
B)  Only I and II 
C)  Only II 
D)  I, II, and III 
A)  Only I 
B)  Only I and II 
C)  Only II 
D)  I, II, and III

Question 7

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.   ​  
-Conformation C is represented by Roman numeral ____.

Accepted Answer

The answer of Match the Newman projection for the conformation...

Question 8

What is the IUPAC name of the following compound?

Accepted Answer

A)  trans-1-isopropyl-4-methylcyclopentane 
B)  cis-1-tert-butyl-2-methylcyclopentane 
C)  trans-1-tert-butyl-2-methylcyclopentane 
D)  cis-1-isopropyl-2-methylcyclopentane 
A)  trans-1-isopropyl-4-methylcyclopentane 
B)  cis-1-tert-butyl-2-methylcyclopentane 
C)  trans-1-tert-butyl-2-methylcyclopentane 
D)  cis-1-isopropyl-2-methylcyclopentane

Question 9

What is the IUPAC name for the following compound?

Accepted Answer

A)  cycloheptane 
B)  bicyclo[3.2.0]heptane 
C)  bicyclo[5.4]heptane 
D)  cyclobutylcyclopentane 
A)  cycloheptane 
B)  bicyclo[3.2.0]heptane 
C)  bicyclo[5.4]heptane 
D)  cyclobutylcyclopentane

Question 10

Which of the following structures is different from the other three?

Accepted Answer

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

Question 11

What is the IUPAC name of the following compound?

Accepted Answer

A)  2-isopropyl-5-methylpentane 
B)  5-isopropyl-2-methylpentane 
C)  2,3,5-trimethylhexane 
D)  1,2-diisopropylpropane 
A)  2-isopropyl-5-methylpentane 
B)  5-isopropyl-2-methylpentane 
C)  2,3,5-trimethylhexane 
D)  1,2-diisopropylpropane

Question 12

Provide a Newman projection of the most stable conformation of 3-methylpentane, CH3CH2CH(CH3)CH2CH3 looking along the C2-C3 bond.

Accepted Answer

Question 13

What is the IUPAC name of the following compound?

Accepted Answer

The answer of What is the IUPAC name of the...

Question 14

The tertiary carbon atom in the following structure is indicated by the letter_____.

Accepted Answer

The answer of The tertiary carbon atom in the following...

Question 15

How many moles of molecular oxygen (O2) are consumed in the complete combustion of one mole of hexane (C6H14)?

Accepted Answer

A)  6 
B)  9.5 
C)  12.5 
D)  14 
A)  6 
B)  9.5 
C)  12.5 
D)  14

Question 16

Approximately how long is a C−C single bond of an alkane?

Accepted Answer

A)  111 pm 
B)  134 pm 
C)  142 pm 
D)  153 pm 
A)  111 pm 
B)  134 pm 
C)  142 pm 
D)  153 pm

Question 17

What is the IUPAC name of the following compound?

Accepted Answer

A)  2-ethyl-4-methylpentane 
B)  2,4-dimethylhexane 
C)  3,5-dimethylhexane 
D)  1,1,3-trimethylpentane 
A)  2-ethyl-4-methylpentane 
B)  2,4-dimethylhexane 
C)  3,5-dimethylhexane 
D)  1,1,3-trimethylpentane

Question 18

What is the IUPAC name of the following compound?

Accepted Answer

A)  3-propylpentane 
B)  1,1-diethylpropane 
C)  3-ethylhexane 
D)  isooctane 
A)  3-propylpentane 
B)  1,1-diethylpropane 
C)  3-ethylhexane 
D)  isooctane

Question 19

What is "X" in the following reaction? ? $$\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { OH } + \mathrm { CO } \stackrel { \text { Catalyst } } { \longrightarrow } \mathrm { X }$$

Accepted Answer

A) 
$\quad$$\quad$$\quad$O
$\quad$$\quad$$\quad$||
$\mathrm{H}_{3} \mathrm{C}-\mathrm{C}-\mathrm{OH}$ 
B) 
$$\mathrm { HC } \equiv \mathrm { CH }$$ 
C) 
$\quad$$\quad$$\quad$O
$\quad$$\quad$$\quad$||
$\mathrm{H}_{3} \mathrm{C}-\mathrm{C}-\mathrm{CH}_{3}$ 
D) 
$$\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { CH } _ { 3 }$$ 
A) 
$\quad$$\quad$$\quad$O
$\quad$$\quad$$\quad$||
$\mathrm{H}_{3} \mathrm{C}-\mathrm{C}-\mathrm{OH}$ 
B) 
$$\mathrm { HC } \equiv \mathrm { CH }$$ 
C) 
$\quad$$\quad$$\quad$O
$\quad$$\quad$$\quad$||
$\mathrm{H}_{3} \mathrm{C}-\mathrm{C}-\mathrm{CH}_{3}$ 
D) 
$$\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { CH } _ { 3 }$$

Question 20

What is the IUPAC name of the following compound?

Accepted Answer

A)  2,4-dimethyl-3-isopropyl-pentane 
B)  3-isopropyl-1,5-dimethylpentane 
C)  3-isopropyl-2,4-dimethylpentane 
D)  triisopropylmethane 
A)  2,4-dimethyl-3-isopropyl-pentane 
B)  3-isopropyl-1,5-dimethylpentane 
C)  3-isopropyl-2,4-dimethylpentane 
D)  triisopropylmethane

Exam 2: Alkanes and Cycloalkanes

Which of the following structures represents trans-1,3-dimethylcyclohexane?

How many constitutional isomers are there with the molecular formula C6H14?

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. ​ -Conformation A is represented by Roman numeral ____.

What is "X" in the following reaction? ? ⟶−H2 Catalyst \underset{\text { Catalyst }}{\stackrel{-\mathrm{H}_{2}}{\longrightarrow}} Catalyst ⟶−H2​​​×\times×⟶ Catalyst −3H2\underset{-3 \mathrm{H}_{2}}{\stackrel{\text { Catalyst }}{\longrightarrow}}−3H2​⟶ Catalyst ​​

Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups?

Identify the constitutional isomer with the molecular formula C7H16. ​

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. ​ -Conformation C is represented by Roman numeral ____.

What is the IUPAC name of the following compound?

What is the IUPAC name for the following compound?

Which of the following structures is different from the other three?

What is the IUPAC name of the following compound?

Provide a Newman projection of the most stable conformation of 3-methylpentane, CH3CH2CH(CH3)CH2CH3 looking along the C2-C3 bond.

What is the IUPAC name of the following compound?

The tertiary carbon atom in the following structure is indicated by the letter_____.

How many moles of molecular oxygen (O2) are consumed in the complete combustion of one mole of hexane (C6H14)?

Approximately how long is a C−C single bond of an alkane?

What is the IUPAC name of the following compound?

What is the IUPAC name of the following compound?

What is "X" in the following reaction? ? H3C−OH+CO⟶ Catalyst X\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { OH } + \mathrm { CO } \stackrel { \text { Catalyst } } { \longrightarrow } \mathrm { X }H3​C−OH+CO⟶ Catalyst ​X

What is the IUPAC name of the following compound?

Covalent Bonding and Shapes of Molecules

Stereoisomerism and Chirality

Acids and Bases

Alkenes: Bonding, Nomenclature, and Properties

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

How many constitutional isomers are there with the molecular formula C₆H₁₄?

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. -Conformation A is represented by Roman numeral ____.

Identify the constitutional isomer with the molecular formula C₇H₁₆.

Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. -Conformation C is represented by Roman numeral ____.

Provide a Newman projection of the most stable conformation of 3-methylpentane, CH₃CH₂CH(CH₃)CH₂CH₃ looking along the C2-C3 bond.

How many moles of molecular oxygen (O₂) are consumed in the complete combustion of one mole of hexane (C₆H₁₄)?

What is "X" in the following reaction? ? $\mathrm { H } _ { 3 } \mathrm { C } - \mathrm { OH } + \mathrm { CO } \stackrel { \text { Catalyst } } { \longrightarrow } \mathrm { X }$