Question 1

A molecule containing a carbon atom bonded to four chlorine atoms has the shape of a

Accepted Answer

A)  triangle. 
B)  rhombus. 
C)  square. 
D)  cube. 
E)  tetrahedron. 
A)  triangle. 
B)  rhombus. 
C)  square. 
D)  cube. 
E)  tetrahedron.

Question 2

The functional group(s) contained in the compound shown below is (are)

Accepted Answer

A)  an amine. 
B)  an aromatic. 
C)  an amide. 
D)  an amine and an aromatic. 
E)  an amide and an aromatic. 
A)  an amine. 
B)  an aromatic. 
C)  an amide. 
D)  an amine and an aromatic. 
E)  an amide and an aromatic.

Question 3

Isomers have the same molecular formula.

Accepted Answer

A) True 
 B)False

Question 4

Most prescription drugs are organic molecules.

Accepted Answer

A) True 
 B)False

Question 5

The IUPAC name for CH3 -Cl is

Accepted Answer

A)  methyl chloride 
B)  chloromethane. 
C)  methanechlorine. 
D)  chloroethane. 
E)  methane chloride. 
A)  methyl chloride 
B)  chloromethane. 
C)  methanechlorine. 
D)  chloroethane. 
E)  methane chloride.

Question 6

In a molecule with a symmetrical arrangement of polar bonds, the overall molecule is

Accepted Answer

A)  highly polar. 
B)  somewhat polar. 
C)  nonpolar. 
D)  reverse polar. 
E)  strongly reverse polar. 
A)  highly polar. 
B)  somewhat polar. 
C)  nonpolar. 
D)  reverse polar. 
E)  strongly reverse polar.

Question 7

The functional group contained in the compound   is a(n)

Accepted Answer

A)  thiol. 
B)  carboxylic acid. 
C)  amine. 
D)  ester. 
E)  amide. 
A)  thiol. 
B)  carboxylic acid. 
C)  amine. 
D)  ester. 
E)  amide.

Question 8

What is the name for a four-carbon continuous-chain alkane?

Accepted Answer

A)  methane 
B)  ethane 
C)  propane 
D)  butane 
E)  pentane 
A)  methane 
B)  ethane 
C)  propane 
D)  butane 
E)  pentane

Question 9

Which of the following is NOT typical of most organic compounds?

Accepted Answer

A)  high melting point 
B)  poor solubility in water 
C)  low boiling point 
D)  covalent bonding 
E)  high flammability 
A)  high melting point 
B)  poor solubility in water 
C)  low boiling point 
D)  covalent bonding 
E)  high flammability

Question 10

How many structural isomers are there for C2H4Cl₂?

Accepted Answer

A)  none 
B)  one 
C)  two 
D)  three 
E)  four 
A)  none 
B)  one 
C)  two 
D)  three 
E)  four

Question 11

The functional group contained in the compound CH3CH₂CH=CHCH3 is a(n)

Accepted Answer

A)  aldehyde. 
B)  alkene. 
C)  alcohol. 
D)  ketone. 
E)  ether. 
A)  aldehyde. 
B)  alkene. 
C)  alcohol. 
D)  ketone. 
E)  ether.

Question 12

Isomers are molecules that share the same formula and have

Accepted Answer

A)  a different shape to the molecule. 
B)  the same arrangement of atoms within the molecule. 
C)  a different arrangement of atoms within the molecule. 
D)  identical boiling points. 
E)  the same shape in each molecule. 
A)  a different shape to the molecule. 
B)  the same arrangement of atoms within the molecule. 
C)  a different arrangement of atoms within the molecule. 
D)  identical boiling points. 
E)  the same shape in each molecule.

Question 13

Organic liquids are often lighter than water.

Accepted Answer

A) True 
 B)False

Question 14

What is the name for this three-carbon alkyl group? 
CH3 - CH - CH3
&emsp; |

Accepted Answer

A)  n-propyl 
B)  iso-propyl 
C)  butyl 
D)  iso-butyl 
E)  ethyl 
A)  n-propyl 
B)  iso-propyl 
C)  butyl 
D)  iso-butyl 
E)  ethyl

Question 15

Which of the following compounds could have the molecular formula C7H16?

Accepted Answer

A)  hexane 
B)  pentane 
C)  2-methylheptane 
D)  2,3-dimethylpentane 
E)  3-ethylhexane 
A)  hexane 
B)  pentane 
C)  2-methylheptane 
D)  2,3-dimethylpentane 
E)  3-ethylhexane

Question 16

The bond angles in a tetrahedral molecule are 90°.

Accepted Answer

A) True 
 B)False

Question 17

Organic compounds that are poorly soluble in water behave that way because they are

Accepted Answer

A)  highly polar. 
B)  moderately polar. 
C)  covalently bonded. 
D)  generally nonpolar. 
E)  ionically bonded. 
A)  highly polar. 
B)  moderately polar. 
C)  covalently bonded. 
D)  generally nonpolar. 
E)  ionically bonded.

Question 18

Which of the following pairs of compounds are structural isomers?

Accepted Answer

A)    
B)    
C)    
D)  $\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 3 } \text { and } \mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }$ 
E)    
A)    
B)    
C)    
D)  $\mathrm { CH } _ { 3 } - \mathrm { CH } _ { 3 } \text { and } \mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }$ 
E)

Question 19

What is(are) the product(s) of the complete combustion of any hydrocarbon?

Accepted Answer

A)  CO only 
B)  CO₂ only 
C)  CO + H₂O 
D)  CO₂ + H₂O 
E)  H₂O only 
A)  CO only 
B)  CO₂ only 
C)  CO + H₂O 
D)  CO₂ + H₂O 
E)  H₂O only

Question 20

What is the condensed structural formula for an alkane with four carbon atoms?

Accepted Answer

A)  CH3-CH=CH- CH3 
B)  CH3- CH₂- CH₂-CH3 
C)  C4H10 
D)  C - C - C - C 
E)    
A)  CH3-CH=CH- CH3 
B)  CH3- CH₂- CH₂-CH3 
C)  C4H10 
D)  C - C - C - C 
E)

Exam 11: Introduction to Organic Chemistry: Alkanes

A molecule containing a carbon atom bonded to four chlorine atoms has the shape of a

The functional group(s) contained in the compound shown below is (are)

Isomers have the same molecular formula.

Most prescription drugs are organic molecules.

The IUPAC name for CH3 -Cl is

In a molecule with a symmetrical arrangement of polar bonds, the overall molecule is

The functional group contained in the compound is a(n)

What is the name for a four-carbon continuous-chain alkane?

Which of the following is NOT typical of most organic compounds?

How many structural isomers are there for C2H4Cl₂?

The functional group contained in the compound CH3CH₂CH=CHCH3 is a(n)

Isomers are molecules that share the same formula and have

Organic liquids are often lighter than water.

What is the name for this three-carbon alkyl group? CH3 - CH - CH3 |

Which of the following compounds could have the molecular formula C7H16?

The bond angles in a tetrahedral molecule are 90°.

Organic compounds that are poorly soluble in water behave that way because they are

Which of the following pairs of compounds are structural isomers?

What is(are) the product(s) of the complete combustion of any hydrocarbon?

What is the condensed structural formula for an alkane with four carbon atoms?

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

The IUPAC name for CH₃ -Cl is

How many structural isomers are there for C₂H₄Cl₂?

The functional group contained in the compound CH₃CH₂CH=CHCH₃ is a(n)

What is the name for this three-carbon alkyl group? CH₃ - CH - CH₃ |

Which of the following compounds could have the molecular formula C₇H₁₆?