Question 1

Molecules with nonsuperimposable mirror images are termed chiral.Pairs of nonsuperimposable,mirror image molecules are called ________.

Accepted Answer

The answer of Molecules with nonsuperimposable mirror images are termed...

Question 2

Which of the following statements concerning hydrocarbons is/are CORRECT?
1)Coal is a source of many aromatic hydrocarbons.
2)Petroleum is subjected to a process known as cracking,where aromatic rings are cracked open to yield alkane chains.
3)The primary components of petroleum (prior to refining)are alkenes and alkynes.

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 3 
E)  1,2,and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 3 
E)  1,2,and 3

Question 3

What is the name of the following compound?

Accepted Answer

A)  pentanol 
B)  cyclopentane 
C)  cyclohexane 
D)  cyclopentene 
E)  1,5-pentane 
A)  pentanol 
B)  cyclopentane 
C)  cyclohexane 
D)  cyclopentene 
E)  1,5-pentane

Question 4

What is the hybridization and the bond angles around the nitrogen atom in an amide?

Accepted Answer

A)  sp hybridization,180S1U1P1$\circ$S1S1P0 bond angles 
B)  sp2 hybridization and 109S1U1P1$\circ$S1S1P0 bond angles 
C)  sp2 hybridization and 120S1U1P1$\circ$S1S1P0 bond angles 
D)  sp3 hybridization and 109S1U1P1$\circ$S1S1P0 bond angles 
E)  sp3 hybridization and 120S1U1P1$\circ$S1S1P0 bond angles 
A)  sp hybridization,180S1U1P1$\circ$S1S1P0 bond angles 
B)  sp2 hybridization and 109S1U1P1$\circ$S1S1P0 bond angles 
C)  sp2 hybridization and 120S1U1P1$\circ$S1S1P0 bond angles 
D)  sp3 hybridization and 109S1U1P1$\circ$S1S1P0 bond angles 
E)  sp3 hybridization and 120S1U1P1$\circ$S1S1P0 bond angles

Question 5

What is the product of the reduction of butanone?

Accepted Answer

A)  1-butene 
B)  2-butanol 
C)  cis-2-butene 
D)  acetone 
E)  butanoic acid 
A)  1-butene 
B)  2-butanol 
C)  cis-2-butene 
D)  acetone 
E)  butanoic acid

Question 6

A mixture of ethanol and benzoic acid is heated in the presence of acid.What is the primary product of the reaction?

Accepted Answer

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

Question 7

Which of the following noncyclic hydrocarbons has two $\pi$ bonds?

Accepted Answer

A)  C3H4 
B)  C4H8 
C)  C6H12 
D)  C7H14 
E)  C8H18 
A)  C3H4 
B)  C4H8 
C)  C6H12 
D)  C7H14 
E)  C8H18

Question 8

The functional group RCONR' is characteristic of a(n)____.

Accepted Answer

A)  ether 
B)  ester 
C)  amide 
D)  aldehyde 
E)  ketone 
A)  ether 
B)  ester 
C)  amide 
D)  aldehyde 
E)  ketone

Question 9

What is the monomer of Teflon?

Accepted Answer

A)  CH2CH2 
B)  CF2CF2 
C)  CH2C(CN)2 
D)  CH2CHCN 
E)  CH2CHCH3 
A)  CH2CH2 
B)  CF2CF2 
C)  CH2C(CN)2 
D)  CH2CHCN 
E)  CH2CHCH3

Question 10

Which of the following types of compounds must have an sp2-hybridized carbon center?

Accepted Answer

A)  aldehydes 
B)  ethers 
C)  alkynes 
D)  amines 
E)  alcohols 
A)  aldehydes 
B)  ethers 
C)  alkynes 
D)  amines 
E)  alcohols

Question 11

Which set of functional groups are present in the molecule shown below?   
$\textbf{       aspirin   }$

Accepted Answer

A)  aromatic,carboxylic acid,and ester 
B)  aromatic,alcohol,and ester 
C)  alkene,alcohol,and ether 
D)  alkene,carboxylic acid,and ketone 
E)  aromatic alcohol,ether,and aldehyde 
A)  aromatic,carboxylic acid,and ester 
B)  aromatic,alcohol,and ester 
C)  alkene,alcohol,and ether 
D)  alkene,carboxylic acid,and ketone 
E)  aromatic alcohol,ether,and aldehyde

Question 12

Which of the following is a $\underline{\text{  chiral }}$  molecule?

Accepted Answer

A)  CH3CBr2Cl 
B)  CBrCl2I 
C)  CH3CHBrCH2CH3 
D)  (CH3)2CHCl 
E)  CH2BrI 
A)  CH3CBr2Cl 
B)  CBrCl2I 
C)  CH3CHBrCH2CH3 
D)  (CH3)2CHCl 
E)  CH2BrI

Question 13

The reaction of 1-propanol with K2Cr2O7 in acidic solution to produce propanal is what kind of reaction?

Accepted Answer

A)  polymerization 
B)  combustion 
C)  oxidation 
D)  reduction 
E)  double displacement 
A)  polymerization 
B)  combustion 
C)  oxidation 
D)  reduction 
E)  double displacement

Question 14

Which one of the following molecules has a chiral center?

Accepted Answer

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

Question 15

The reaction of methane with chlorine in the presence of ultraviolet radiation can produce ____.

Accepted Answer

A)  chloromethane 
B)  dichloromethane 
C)  trichloromethane 
D)  carbon tetrachloride 
E)  all of these products 
A)  chloromethane 
B)  dichloromethane 
C)  trichloromethane 
D)  carbon tetrachloride 
E)  all of these products

Question 16

How many structures (i.e.,unique isomers)exist for tribromobenzene?

Accepted Answer

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

Question 17

What are the products of a condensation reaction between a primary amine and a carboxylic acid?

Accepted Answer

A)  water and an amide 
B)  water and an ester 
C)  ammonia and an amide 
D)  ammonia and an ester 
E)  an ammonium cation and a carboxylate anion 
A)  water and an amide 
B)  water and an ester 
C)  ammonia and an amide 
D)  ammonia and an ester 
E)  an ammonium cation and a carboxylate anion

Question 18

Which functional group does $\textbf{   not      }$  contain a double bond to an oxygen atom?

Accepted Answer

A)  ester 
B)  aldehyde 
C)  ether 
D)  amide 
E)  ketone 
A)  ester 
B)  aldehyde 
C)  ether 
D)  amide 
E)  ketone

Question 19

Which of the following is an example of a hydrocarbon structural formula?

Accepted Answer

A)  C6H12 
B)    
C)    
D)    
E)  CH3CH2CH2CH3 
A)  C6H12 
B)    
C)    
D)    
E)  CH3CH2CH2CH3

Question 20

Which of the following statements concerning isomers is/are correct?
1)Two types of stereoisomers exist: geometric isomers and optical isomers.
2)Optical isomers are molecules with nonsuperimposable mirror images.
3)Ethanol (CH3CH2OH)and dimethyl ether (CH3OCH3)are examples of geometric isomers.

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 2 
E)  1,2,and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 2 
E)  1,2,and 3

Exam 24: Carbon: Not Just Another Element

Molecules with nonsuperimposable mirror images are termed chiral.Pairs of nonsuperimposable,mirror image molecules are called ________.

What is the name of the following compound?

What is the hybridization and the bond angles around the nitrogen atom in an amide?

What is the product of the reduction of butanone?

A mixture of ethanol and benzoic acid is heated in the presence of acid.What is the primary product of the reaction?

Which of the following noncyclic hydrocarbons has two π\piπ bonds?

The functional group RCONR' is characteristic of a(n)____.

What is the monomer of Teflon?

Which of the following types of compounds must have an sp2-hybridized carbon center?

Which set of functional groups are present in the molecule shown below? aspirin \textbf{ aspirin } aspirin

Which of the following is a chiral ‾\underline{\text{ chiral }} chiral ​ molecule?

The reaction of 1-propanol with K2Cr2O7 in acidic solution to produce propanal is what kind of reaction?

Which one of the following molecules has a chiral center?

The reaction of methane with chlorine in the presence of ultraviolet radiation can produce ____.

How many structures (i.e.,unique isomers)exist for tribromobenzene?

What are the products of a condensation reaction between a primary amine and a carboxylic acid?

Which functional group does not \textbf{ not } not contain a double bond to an oxygen atom?

Which of the following is an example of a hydrocarbon structural formula?

Which of the following statements concerning isomers is/are correct? 1)Two types of stereoisomers exist: geometric isomers and optical isomers. 2)Optical isomers are molecules with nonsuperimposable mirror images. 3)Ethanol (CH3CH2OH)and dimethyl ether (CH3OCH3)are examples of geometric isomers.

Basic Concepts of Chemistry

Mathlets Review: The Tools of Quantitative Chemistry

Atoms, molecules, and Ions

Chemical Reactions

Stoichiometry: Quantitative Information About Chemical Reactions

Principles of Chemical Reactivity: Energy and Chemical Reactions

The Structure of Atoms

The Structure of Atoms and Periodic Trends

Bonding and Molecular Structure

Bonding and Molecular Structure: Orbital Hybridization and Molecular Orbitals

Gases and Their Properties

Intermolecular Forces and Liquids

The Chemistry of Solids

Solutions and Their Behavior

Chemical Kinetics: the Rates of Chemical Reactions

Principles of Reactivity: Chemical Equilibria

The Chemistry of Acids and Bases

Principles of Reactivity: Other Aspects of Aqueous Equilibria

Entropy and Free Energy

Principles of Reactivity: Electron Transfer Reactions

Environmental Chemistry Earths Environment,energy,and Sustainability

The Chemistry of the Main Group Elements

The Chemistry of the Transition Elements

Biochemistry

Nuclear Chemistry

Filters

Which of the following noncyclic hydrocarbons has two $\pi$ bonds?

Which of the following types of compounds must have an sp²-hybridized carbon center?

Which set of functional groups are present in the molecule shown below? $Which set of functional groups are present in the molecule shown below? \textbf{ aspirin }$ $\textbf{ aspirin }$

Which of the following is a $\underline{\text{ chiral }}$ molecule?

The reaction of 1-propanol with K₂Cr₂O₇ in acidic solution to produce propanal is what kind of reaction?

Which functional group does $\textbf{ not }$ contain a double bond to an oxygen atom?