Question 1

When naming an alkene, the parent chain is the longest carbon chain

Accepted Answer

A) that does not contain the double bond. 
B) regardless of whether or not it contains the double bond. 
C) that contains at least one of the carbon atoms of the double bond. 
D) that contains both atoms of the double bond. 
E) that contains a branch. 
A) that does not contain the double bond. 
B) regardless of whether or not it contains the double bond. 
C) that contains at least one of the carbon atoms of the double bond. 
D) that contains both atoms of the double bond. 
E) that contains a branch.

Question 2

How many valence electrons does carbon have?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 3

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

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 4

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

Accepted Answer

A) hexane 
B) heptane 
C) octane 
D) nonane 
E) decane 
A) hexane 
B) heptane 
C) octane 
D) nonane 
E) decane

Question 5

In a cis alkene, the groups are on the same side of the double bond.

Accepted Answer

A) True 
 B)False

Question 6

In a condensed structural formula, the carbon and attached hydrogens are written as a group.

Accepted Answer

A) True 
 B)False

Question 7

What is the name of this compound?

Accepted Answer

A) cyclopentane 
B) cyclohexane 
C) cycloheptane 
D) cyclooctane 
E) hexane 
A) cyclopentane 
B) cyclohexane 
C) cycloheptane 
D) cyclooctane 
E) hexane

Question 8

The balanced equation for the complete combustion of C5H12 will give which of these product(s)?

Accepted Answer

A) CO2 only 
B) C5H12O5 only 
C) 5CO2 + 5H2O 
D) 5CO2 + 6H2O 
E) 10CO + 12H2O 
A) CO2 only 
B) C5H12O5 only 
C) 5CO2 + 5H2O 
D) 5CO2 + 6H2O 
E) 10CO + 12H2O

Question 9

What is the name for a three-carbon alkyl group?

Accepted Answer

A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl 
A) methyl 
B) ethyl 
C) propyl 
D) butyl 
E) pentyl

Question 10

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

Accepted Answer

A) hexane 
B) heptane 
C) octane 
D) nonane 
E) decane 
A) hexane 
B) heptane 
C) octane 
D) nonane 
E) decane

Question 11

In the equation for the combustion of pentane, the coefficient of carbon dioxide is

Accepted Answer

A) one 
B) two. 
C) three. 
D) four. 
E) five. 
A) one 
B) two. 
C) three. 
D) four. 
E) five.

Question 12

One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.

Accepted Answer

A) True 
 B)False

Question 13

The products of complete combustion are carbon dioxide and water.

Accepted Answer

A) True 
 B)False

Question 14

Which of these formulas is the expanded structural formula for an alkane with three carbon atoms?

Accepted Answer

A) C3H6 
B) C3H8 
C) CH₃-CH2-CH₃ 
D) C - C - C 
E) 
  
A) C3H6 
B) C3H8 
C) CH₃-CH2-CH₃ 
D) C - C - C 
E)

Question 15

What is the IUPAC name for the following?

Accepted Answer

A) 4-methylhexane 
B) 3-methylhexane 
C) heptane 
D) methylhexane 
E) 2-methylhexane 
A) 4-methylhexane 
B) 3-methylhexane 
C) heptane 
D) methylhexane 
E) 2-methylhexane

Question 16

Organic liquids are often less dense than water.

Accepted Answer

A) True 
 B)False

Question 17

Organic compounds can only be made by living things because a "vital force" is needed for their creation.

Accepted Answer

A) True 
 B)False

Question 18

The chemical formula for benzene is C6H12.

Accepted Answer

A) True 
 B)False

Question 19

Light-induced cis-trans isomerization is an important step in vision.

Accepted Answer

A) True 
 B)False

Question 20

What is the IUPAC name for the following?

Accepted Answer

A) 1-chlorobutane 
B) 2-chlorobutane 
C) 3-chlorobutane 
D) 2-chloropropane 
E) chlorobutane 
A) 1-chlorobutane 
B) 2-chlorobutane 
C) 3-chlorobutane 
D) 2-chloropropane 
E) chlorobutane

Exam 12: Introduction to Organic Chemistry: Hydrocarbons

When naming an alkene, the parent chain is the longest carbon chain

How many valence electrons does carbon have?

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

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

In a cis alkene, the groups are on the same side of the double bond.

In a condensed structural formula, the carbon and attached hydrogens are written as a group.

What is the name of this compound?

The balanced equation for the complete combustion of C5H12 will give which of these product(s)?

What is the name for a three-carbon alkyl group?

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

In the equation for the combustion of pentane, the coefficient of carbon dioxide is

One essential building block of aspirin, ibuprofen, and acetaminophen is the benzene ring.

The products of complete combustion are carbon dioxide and water.

Which of these formulas is the expanded structural formula for an alkane with three carbon atoms?

What is the IUPAC name for the following?

Organic liquids are often less dense than water.

Organic compounds can only be made by living things because a "vital force" is needed for their creation.

The chemical formula for benzene is C6H12.

Light-induced cis-trans isomerization is an important step in vision.

What is the IUPAC name for the following?

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