Question 1

What chemical reaction was used by the German chemist Friedrich Wohler to synthesize urea for the first time?

Accepted Answer

A) evaporating urine 
B) heating ammonium cyanate 
C) heating ammonium cyanide 
D) combining the elements carbon,hydrogen,oxygen,and nitrogen 
E) none of the above 
A) evaporating urine 
B) heating ammonium cyanate 
C) heating ammonium cyanide 
D) combining the elements carbon,hydrogen,oxygen,and nitrogen 
E) none of the above

Question 2

Compare a six-carbon open-chain (noncyclic)hydrocarbon alkane,alkene,and alkyne.Which of these compounds would have the fewest number of hydrogen atoms?

Accepted Answer

A) the alkane 
B) the alkyne 
C) the alkene 
D) all of these have the same number of hydrogen atoms 
E) none of these contain hydrogen atoms 
A) the alkane 
B) the alkyne 
C) the alkene 
D) all of these have the same number of hydrogen atoms 
E) none of these contain hydrogen atoms

Question 3

Production of the synthetic polymer "polyethylene" uses an alkene as a starting monomer unit.

Accepted Answer

A) True 
 B)False

Question 4

The compound CH3NH2 can be classified as an amine.

Accepted Answer

A) True 
 B)False

Question 5

Based on the molecular formulas shown below,which compound shown below could be classified as a cyclical alkane?

Accepted Answer

A) C4H10 
B) C3H8 
C) C5H12 
D) C12H24 
E) C9H20 
A) C4H10 
B) C3H8 
C) C5H12 
D) C12H24 
E) C9H20

Question 6

How many total hydrogen atoms would be in a five carbon noncyclical alkane?

Accepted Answer

A) 10 
B) 8 
C) 5 
D) 12 
E) none of the above 
A) 10 
B) 8 
C) 5 
D) 12 
E) none of the above

Question 7

Which of the following statements is FALSE about polymers?

Accepted Answer

A) Several monomer units link together without eliminating any atom or group to form addition polymers. 
B) During condensation polymerization an atom or group is eliminated. 
C) Copolymers contain more than one kind of monomer. 
D) Nylon 6,6 and polyurethane are examples of copolymers. 
E) none of the above. 
A) Several monomer units link together without eliminating any atom or group to form addition polymers. 
B) During condensation polymerization an atom or group is eliminated. 
C) Copolymers contain more than one kind of monomer. 
D) Nylon 6,6 and polyurethane are examples of copolymers. 
E) none of the above.

Question 8

Which of the following statements about carbon is FALSE?

Accepted Answer

A) Carbon must always have four bonds. 
B) Carbon can bond to itself. 
C) Carbon can have either a tetrahedral,trigonal planar or linear geometry. 
D) Carbon can form into linear,branched and cyclic compounds. 
E) none of the above 
A) Carbon must always have four bonds. 
B) Carbon can bond to itself. 
C) Carbon can have either a tetrahedral,trigonal planar or linear geometry. 
D) Carbon can form into linear,branched and cyclic compounds. 
E) none of the above

Question 9

Which of the following are correct names for the compound shown in the figure?   1.1,2-Dibromobenzene 2.1,3-Dibromobenzene
3.m-Dibromobenzene

Accepted Answer

A) 1 and 2 only 
B) 1 and 3 only 
C) 2 and 3 only 
D) All of 1,2,and 3 
E) None of 1,2,and 3 
A) 1 and 2 only 
B) 1 and 3 only 
C) 2 and 3 only 
D) All of 1,2,and 3 
E) None of 1,2,and 3

Question 10

Which condensed structural formula is known as the propyl group?

Accepted Answer

A) -CH2CH2CH2CH3 
B) -CH2CH3 
C) -CH2CH2CH3 
D) -CH3 
E) none of the above 
A) -CH2CH2CH2CH3 
B) -CH2CH3 
C) -CH2CH2CH3 
D) -CH3 
E) none of the above

Question 11

1-hexene and 1-hexyne are isomers.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is NOT considered a type of polymer?

Accepted Answer

A) addition polymer 
B) condensation polymer 
C) natural polymer 
D) synthetic polymer 
E) none of the above 
A) addition polymer 
B) condensation polymer 
C) natural polymer 
D) synthetic polymer 
E) none of the above

Question 13

The formula for ethyl propyl ether is: CH3CH2OCH2CH3CH2

Accepted Answer

A) True 
 B)False

Question 14

Aldehydes and ketones both contain a carbonyl group.

Accepted Answer

A) True 
 B)False

Question 15

A polymer is a long chainlike compound containing a random arrangement of organic molecules called monomers.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following compounds is an alkene?

Accepted Answer

A) C2H6 
B) C3H6 
C) C4H6 
D) C5H12 
E) none of the above 
A) C2H6 
B) C3H6 
C) C4H6 
D) C5H12 
E) none of the above

Question 17

The reaction CH2=CH2 + H2 → CH3CH3 would best be described as:

Accepted Answer

A) substitution. 
B) combustion. 
C) addition. 
D) hydrogenation. 
E) none of the above 
A) substitution. 
B) combustion. 
C) addition. 
D) hydrogenation. 
E) none of the above

Question 18

The formula of n-octane is: CH3CH2CH2CH2CH2CH3

Accepted Answer

A) True 
 B)False

Question 19

The prefix "but-" means that the base chain contains how many carbon atoms?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 8 
E) all of the above 
A) 2 
B) 4 
C) 6 
D) 8 
E) all of the above

Question 20

Which is the name of     ?

Accepted Answer

A) n-butane 
B) n-hexane 
C) n-heptane 
D) n-pentane 
E) all of the above 
A) n-butane 
B) n-hexane 
C) n-heptane 
D) n-pentane 
E) all of the above

What chemical reaction was used by the German chemist Friedrich Wohler to synthesize urea for the first time?

Compare a six-carbon open-chain (noncyclic)hydrocarbon alkane,alkene,and alkyne.Which of these compounds would have the fewest number of hydrogen atoms?

Production of the synthetic polymer "polyethylene" uses an alkene as a starting monomer unit.

The compound CH₃NH₂ can be classified as an amine.

Based on the molecular formulas shown below,which compound shown below could be classified as a cyclical alkane?

How many total hydrogen atoms would be in a five carbon noncyclical alkane?

Which of the following statements is FALSE about polymers?

Which of the following statements about carbon is FALSE?

Which of the following are correct names for the compound shown in the figure? 1.1,2-Dibromobenzene 2.1,3-Dibromobenzene 3.m-Dibromobenzene

Which condensed structural formula is known as the propyl group?

1-hexene and 1-hexyne are isomers.

Which of the following is NOT considered a type of polymer?

The formula for ethyl propyl ether is: CH₃CH₂OCH₂CH₃CH₂

Aldehydes and ketones both contain a carbonyl group.

A polymer is a long chainlike compound containing a random arrangement of organic molecules called monomers.

Which of the following compounds is an alkene?

The reaction CH₂=CH₂ + H₂ → CH₃CH₃ would best be described as:

The formula of n-octane is: CH₃CH₂CH₂CH₂CH₂CH₃

The prefix "but-" means that the base chain contains how many carbon atoms?

Which is the name of ?

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Exam 18: Organic Chemistry

What chemical reaction was used by the German chemist Friedrich Wohler to synthesize urea for the first time?

Compare a six-carbon open-chain (noncyclic)hydrocarbon alkane,alkene,and alkyne.Which of these compounds would have the fewest number of hydrogen atoms?

Production of the synthetic polymer "polyethylene" uses an alkene as a starting monomer unit.

The compound CH3NH2 can be classified as an amine.

Based on the molecular formulas shown below,which compound shown below could be classified as a cyclical alkane?

How many total hydrogen atoms would be in a five carbon noncyclical alkane?

Which of the following statements is FALSE about polymers?

Which of the following statements about carbon is FALSE?

Which of the following are correct names for the compound shown in the figure? 1.1,2-Dibromobenzene 2.1,3-Dibromobenzene 3.m-Dibromobenzene

Which condensed structural formula is known as the propyl group?

1-hexene and 1-hexyne are isomers.

Which of the following is NOT considered a type of polymer?

The formula for ethyl propyl ether is: CH3CH2OCH2CH3CH2

Aldehydes and ketones both contain a carbonyl group.

A polymer is a long chainlike compound containing a random arrangement of organic molecules called monomers.

Which of the following compounds is an alkene?

The reaction CH2=CH2 + H2 → CH3CH3 would best be described as:

The formula of n-octane is: CH3CH2CH2CH2CH2CH3

The prefix "but-" means that the base chain contains how many carbon atoms?

Which is the name of ?

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Biochemistry

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The compound CH₃NH₂ can be classified as an amine.

The formula for ethyl propyl ether is: CH₃CH₂OCH₂CH₃CH₂

The reaction CH₂=CH₂ + H₂ → CH₃CH₃ would best be described as:

The formula of n-octane is: CH₃CH₂CH₂CH₂CH₂CH₃