Question 1

Which compound is a ketone?

Accepted Answer

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

Question 2

Sodium chloride,which is quite soluble in water,is not very soluble in hexane.Why?

Accepted Answer

Sodium chloride,which is an ionic substance,is soluble in a polar solvent such as water,but not in a non-polar solvent such as hexane.

Question 3

Unsaturated hydrocarbons may be distinguished from saturated hydrocarbons by the presence of one or more ___.

Accepted Answer

pi bonds

Question 4

What functional group(s)is/are present in the following compound?

Accepted Answer

A) 1o alcohol and 2o alkyl chloride 
B) ether and 2o alcohol 
C) 1o alkyl chloride and 1o alcohol 
D) 1o alkyl chloride and 2o alcohol 
E) None of these choices. 
A) 1o alcohol and 2o alkyl chloride 
B) ether and 2o alcohol 
C) 1o alkyl chloride and 1o alcohol 
D) 1o alkyl chloride and 2o alcohol 
E) None of these choices.

Question 5

Which of the following compounds contains polar covalent bonds?

Accepted Answer

A) S8 
B) LiF 
C) F2 
D) CH3F 
E) None of these choices. 
A) S8 
B) LiF 
C) F2 
D) CH3F 
E) None of these choices.

Question 6

The compound NaOH is barely soluble in ethanol.The addition of which of the following solvents to ethanol would greatly increase the solubility of NaOH?

Accepted Answer

A) H2O 
B) Et2O 
C) CH2Cl2 
D) Benzene 
E) All of these choices. 
A) H2O 
B) Et2O 
C) CH2Cl2 
D) Benzene 
E) All of these choices.

Question 7

A tertiary carbon atom is present in which of these compounds?

Accepted Answer

A) I 
B) II,IV 
C) III,V 
D) IV 
E) All of these choices. 
A) I 
B) II,IV 
C) III,V 
D) IV 
E) All of these choices.

Question 8

The number of unique open-chain structures corresponding to the molecular formula C3H5Cl is:

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 9

Which compound would have the lowest boiling point?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 10

Even though methyl amine (CH3NH2) has a higher molecular weight than water (H2O),its boiling point is much lower than water's boiling point since water has hydrogen bonding attractive forces.

Accepted Answer

A) True 
 B)False

Question 11

A non-zero dipole moment is exhibited by:

Accepted Answer

A) SO2 
B) CO2 
C) CCl4 
D) BF3 
E)    
A) SO2 
B) CO2 
C) CCl4 
D) BF3 
E)

Question 12

Explain why the compound shown is considered to be capable of being a soap (dissolving oily substances off of surfaces using water).

Accepted Answer

The compound contains a long hydrophobic

Question 13

n-Pentane has a higher boiling point than isopentane due to an increased surface-to-surface interaction of dispersion forces.

Accepted Answer

A) True 
 B)False

Question 14

What alkyl groups make up the following ether?

Accepted Answer

A) Isobutyl and methyl 
B) Methyl and butyl 
C) Ethyl and isopropyl 
D) Methyl and sec-butyl 
E) None of these choices. 
A) Isobutyl and methyl 
B) Methyl and butyl 
C) Ethyl and isopropyl 
D) Methyl and sec-butyl 
E) None of these choices.

Question 15

Which molecule would have a dipole moment greater than zero?

Accepted Answer

A) BeCl2 
B) BCl3 
C) CO2 
D) H2O 
E) CCl4 
A) BeCl2 
B) BCl3 
C) CO2 
D) H2O 
E) CCl4

Question 16

In addition to a cycloalkane skeleton,testosterone also contains the following functional groups:

Accepted Answer

A) Alkene,ester,tertiary alcohol 
B) Alkene,ether,secondary alcohol 
C) Alkene,ketone,secondary alcohol 
D) Alkyne,ketone,secondary alcohol 
E) Alkene,ketone,tertiary alcohol 
A) Alkene,ester,tertiary alcohol 
B) Alkene,ether,secondary alcohol 
C) Alkene,ketone,secondary alcohol 
D) Alkyne,ketone,secondary alcohol 
E) Alkene,ketone,tertiary alcohol

Question 17

Which alkane is predicted to have the highest melting point of those shown?

Accepted Answer

A) CH3CH2CH2CH3 
B)    
C) CH3CH2CH2CH2CH3 
D)    
E)    
A) CH3CH2CH2CH3 
B)    
C) CH3CH2CH2CH2CH3 
D)    
E)

Question 18

Even though methanol (CH3OH)and methylamine (CH3NH2) have similar molecular weights,methanol has a much higher boiling point of 65 oC as opposed to methylamine's boiling point of -6 oC.Briefly explain why.

Accepted Answer

Both compounds have the same strong inte

Question 19

Draw all of the isomers of C5H9N that are nitriles.

Accepted Answer

Question 20

Which of these would you expect to have the lowest boiling point?

Accepted Answer

A) CH3CH2CH2OH 
B)    
C) CH3OCH2CH3 
D) CH3CH2CH2CH2OH 
E) CH3CH2OCH2CH3 
A) CH3CH2CH2OH 
B)    
C) CH3OCH2CH3 
D) CH3CH2CH2CH2OH 
E) CH3CH2OCH2CH3

Exam 2: Families of Carbon

Which compound is a ketone?

Sodium chloride,which is quite soluble in water,is not very soluble in hexane.Why?

Unsaturated hydrocarbons may be distinguished from saturated hydrocarbons by the presence of one or more ___.

What functional group(s)is/are present in the following compound?

Which of the following compounds contains polar covalent bonds?

The compound NaOH is barely soluble in ethanol.The addition of which of the following solvents to ethanol would greatly increase the solubility of NaOH?

A tertiary carbon atom is present in which of these compounds?

The number of unique open-chain structures corresponding to the molecular formula C3H5Cl is:

Which compound would have the lowest boiling point?

Even though methyl amine (CH3NH2) has a higher molecular weight than water (H2O),its boiling point is much lower than water's boiling point since water has hydrogen bonding attractive forces.

A non-zero dipole moment is exhibited by:

Explain why the compound shown is considered to be capable of being a soap (dissolving oily substances off of surfaces using water).

n-Pentane has a higher boiling point than isopentane due to an increased surface-to-surface interaction of dispersion forces.

What alkyl groups make up the following ether?

Which molecule would have a dipole moment greater than zero?

In addition to a cycloalkane skeleton,testosterone also contains the following functional groups:

Which alkane is predicted to have the highest melting point of those shown?

Even though methanol (CH3OH)and methylamine (CH3NH2) have similar molecular weights,methanol has a much higher boiling point of 65 oC as opposed to methylamine's boiling point of -6 oC.Briefly explain why.

Draw all of the isomers of C5H9N that are nitriles.

Which of these would you expect to have the lowest boiling point?

The Basics

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

The number of unique open-chain structures corresponding to the molecular formula C₃H₅Cl is:

Even though methyl amine (CH₃NH₂)has a higher molecular weight than water (H₂O),its boiling point is much lower than water's boiling point since water has hydrogen bonding attractive forces.

Even though methanol (CH₃OH)and methylamine (CH₃NH₂)have similar molecular weights,methanol has a much higher boiling point of 65 ^oC as opposed to methylamine's boiling point of -6 ^oC.Briefly explain why.

Draw all of the isomers of C₅H₉N that are nitriles.