Question 1

Which of the following will have the lowest boiling point?

Accepted Answer

A) CH3Cl 
B) CH4 
C) CH2Cl2 
D) CHCl3 
E) CCl4 
A) CH3Cl 
B) CH4 
C) CH2Cl2 
D) CHCl3 
E) CCl4

Question 2

The equilibrium constant for the ring-flip of fluorocyclohexane is 1.5 at   Calculate the percentage of the axial conformer at the temperature.

Accepted Answer

K_eq = @#IMG-DLM&_TB1830_11 = 1.5

Question 3

What is the strongest intermolecular force present in liquid ethanol?

Accepted Answer

A) induced dipole-induced dipole 
B) dipole-dipole, specifically hydrogen bonding 
C) dipole-dipole, but not hydrogen bonding 
D) ion-dipole 
E) ion-ion 
A) induced dipole-induced dipole 
B) dipole-dipole, specifically hydrogen bonding 
C) dipole-dipole, but not hydrogen bonding 
D) ion-dipole 
E) ion-ion

Question 4

Provide the IUPAC name of the compound.

Accepted Answer

A) N,N,1,1-tetramethylethanamine 
B) N,N-dimethyl-2-butanamine 
C) N,N,2-trimethyl-1-propanamine 
D) N,N,2-trimethylpropanamine 
E) N,N,2-trimethyl-2-propanamine 
A) N,N,1,1-tetramethylethanamine 
B) N,N-dimethyl-2-butanamine 
C) N,N,2-trimethyl-1-propanamine 
D) N,N,2-trimethylpropanamine 
E) N,N,2-trimethyl-2-propanamine

Question 5

Provide the chair structure of cis-decalin, two cis-fused six-membered rings.

Accepted Answer

The answer of Provide the chair structure of cis-decalin, two...

Question 6

Which compound is more soluble in water? Briefly explain your choice.
(CH3)2NH or CH3CH2CH3

Accepted Answer

(CH₃)₂NH is more soluble in wate

Question 7

Draw an acceptable structure for 3-ethyl-3-methylhexane.

Accepted Answer

The answer of Draw an acceptable structure for 3-ethyl-3-methylhexane....

Question 8

Explain why the molecule shown below has a lower boiling point than CH3CH2CH2CH3.

Accepted Answer

CH₃CH₂CH₂CH₃ has greater van der W

Question 9

Provide the common name of the compound.

Accepted Answer

A) tert-butyldimethylamine 
B) isobutyldimethylamine 
C) neobutyldimethylamine 
D) sec-butyldimethylamine 
E) n-butyldimethylamine 
A) tert-butyldimethylamine 
B) isobutyldimethylamine 
C) neobutyldimethylamine 
D) sec-butyldimethylamine 
E) n-butyldimethylamine

Question 10

Draw the most stable conformer of cis-1-isopropyl-2-methylcyclohexane.

Accepted Answer

@#IMG-DLM&_TB1830_00

Question 11

Draw an acceptable structure for 4-t-butyloctane.

Accepted Answer

The answer of Draw an acceptable structure for 4-t-butyloctane....

Question 12

Provide an acceptable name for the compound shown below.

Accepted Answer

N-ethyl-2-

Question 13

Draw the structure of N-ethyl-5-methyl-3-hexanamine.

Accepted Answer

The answer of Draw the structure of N-ethyl-5-methyl-3-hexanamine....

Question 14

Identify the compound with the highest bond angle.

Accepted Answer

A) the C-O-C bond in an ether 
B) the C-N-C bond in a secondary amine 
C) the C-N-C bond in a quaternary amine 
D) the C-O-C bond in an alcohol 
E) They are all equal. 
A) the C-O-C bond in an ether 
B) the C-N-C bond in a secondary amine 
C) the C-N-C bond in a quaternary amine 
D) the C-O-C bond in an alcohol 
E) They are all equal.

Question 15

Which of the following has the greatest solubility in CH3CH2CH2CH3?

Accepted Answer

A) CH3OH 
B) CH3O- Na+ 
C) CH3NH2 
D) CH3OCH3 
E) (CH3)3CH 
A) CH3OH 
B) CH3O- Na+ 
C) CH3NH2 
D) CH3OCH3 
E) (CH3)3CH

Question 16

What is the common name for the following structure?

Accepted Answer

A) Isobutane 
B) Isopropylmethane 
C) t-Butane 
D) n-Butane 
E) sec-Butane 
A) Isobutane 
B) Isopropylmethane 
C) t-Butane 
D) n-Butane 
E) sec-Butane

Question 17

Provide an acceptable name for the compound shown below.

Accepted Answer

isobutylcy

Question 18

Provide an acceptable name for the alkane shown below.

Accepted Answer

6-ethyl-2-

Question 19

Provide an acceptable name for the alkane shown below.
CH3CH2CH2CH2CH2CH3

Accepted Answer

Question 20

The Keq for the interconversion for the two chair forms of methylcyclohexane at 25 °C is 18. What % of the chair conformers feature an axial methyl group?

Accepted Answer

A) 95 
B) 75 
C) 50 
D) 25 
E) 5 
A) 95 
B) 75 
C) 50 
D) 25 
E) 5

Exam 3: An Introduction to Organic Compounds

Which of the following will have the lowest boiling point?

The equilibrium constant for the ring-flip of fluorocyclohexane is 1.5 at Calculate the percentage of the axial conformer at the temperature.

What is the strongest intermolecular force present in liquid ethanol?

Provide the IUPAC name of the compound.

Provide the chair structure of cis-decalin, two cis-fused six-membered rings.

Which compound is more soluble in water? Briefly explain your choice. (CH3)2NH or CH3CH2CH3

Draw an acceptable structure for 3-ethyl-3-methylhexane.

Explain why the molecule shown below has a lower boiling point than CH3CH2CH2CH3.

Provide the common name of the compound.

Draw the most stable conformer of cis-1-isopropyl-2-methylcyclohexane.

Draw an acceptable structure for 4-t-butyloctane.

Provide an acceptable name for the compound shown below.

Draw the structure of N-ethyl-5-methyl-3-hexanamine.

Identify the compound with the highest bond angle.

Which of the following has the greatest solubility in CH3CH2CH2CH3?

What is the common name for the following structure?

Provide an acceptable name for the compound shown below.

Provide an acceptable name for the alkane shown below.

Provide an acceptable name for the alkane shown below. CH3CH2CH2CH2CH2CH3

The Keq for the interconversion for the two chair forms of methylcyclohexane at 25 °C is 18. What % of the chair conformers feature an axial methyl group?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

Isomers: the Arrangement of Atoms in Space

Alkenes Thermodynamics and Kinetics

Reactions of Alkenes

Reactions of Alkynes Introduction to Multistep Synthesis

Electron Delocalization, Resonance, and Aromaticity More About Molecular Orbital Theory

Substitution Reactions of Alkyl Halides

Elimination Reactions of Alkyl Halides Competition Between Substitution and Elimination

Reactions of Alcohols, Ethers, Epoxides, and Sulfur-Containing Compounds

Organometallic Compounds

Reactions of Alkanes, Radicals

Mass Spectrometry, Infrared Spectroscopy, and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Alpha Carbon of Carbonyl Compounds

Reactions of Benzene and Substituted Benzenes

More About Amines Heterocylic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Catalysis

The Organic Mechanisms of the Coenzymes

The Chemistry of Metabolism

Nucleosides, Nucleotides, and Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Which compound is more soluble in water? Briefly explain your choice. (CH₃)₂NH or CH₃CH₂CH₃

Explain why the molecule shown below has a lower boiling point than CH₃CH₂CH₂CH₃.

Which of the following has the greatest solubility in CH₃CH₂CH₂CH₃?

Provide an acceptable name for the alkane shown below. CH₃CH₂CH₂CH₂CH₂CH₃

The K_eq for the interconversion for the two chair forms of methylcyclohexane at 25 °C is 18. What % of the chair conformers feature an axial methyl group?