Question 1

A noncyclical alkane hydrocarbon containing eight carbon atoms should also contain eighteen hydrogen atoms.

Accepted Answer

A) True 
 B)False  True

Question 2

When an alkene undergoes an addition reaction to form an alkane,a saturated compound has been converted to an unsaturated compound.

Accepted Answer

A) True 
 B)False  False

Question 3

Which of the following functional groups represents a ketone?

Accepted Answer

A) R-   
B) R -   - R 
C) R -   - OH 
D) R -   -O R 
E) none of the above 
A) R-   
B) R -   - R 
C) R -   - OH 
D) R -   -O R 
E) none of the above B

Question 4

Hydrocarbon combustion reactions are highly endothermic - they absorb large amounts of heat.

Accepted Answer

A) True 
 B)False

Question 5

Isomers are compounds with the same structures but different formulas.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is an example of a polymer?

Accepted Answer

A) DNA 
B) protein 
C) nylon 
D) plexiglass 
E) all of the above 
A) DNA 
B) protein 
C) nylon 
D) plexiglass 
E) all of the above

Question 7

Name the following alkane:

Accepted Answer

A) 3-isopropylbutane 
B) 3,4-dimethylpentane 
C) 2,3-dimethylpentane 
D) 2-isopropylbutane 
E) none of the above 
A) 3-isopropylbutane 
B) 3,4-dimethylpentane 
C) 2,3-dimethylpentane 
D) 2-isopropylbutane 
E) none of the above

Question 8

The compound CH3CH2CH=CHCH3 is named 3-pentene.

Accepted Answer

A) True 
 B)False

Question 9

What is the name of the following compound:   ?

Accepted Answer

A) 3-butene 
B) 1-butyne 
C) 2-butene 
D) 1-butene 
E) none of the above 
A) 3-butene 
B) 1-butyne 
C) 2-butene 
D) 1-butene 
E) none of the above

Question 10

The compound propyne would consist of how many carbon atoms and how many hydrogen atoms?

Accepted Answer

A) 3C,4H 
B) 2C,2H 
C) 3C,2H 
D) 3C,6H 
E) none of the above 
A) 3C,4H 
B) 2C,2H 
C) 3C,2H 
D) 3C,6H 
E) none of the above

Question 11

Consider the following n-alkanes: CH4,C2H6,C3H8,C4H10 Which of these would you expect to have the highest boiling point?

Accepted Answer

A) CH4 
B) C2H6 
C) C3H8 
D) C4H10 
E) all n-alkanes have the same boiling point 
A) CH4 
B) C2H6 
C) C3H8 
D) C4H10 
E) all n-alkanes have the same boiling point

Question 12

Which of the following terms could NOT be applied to the compound:

Accepted Answer

A) saturated 
B) amine 
C) branched 
D) all of these terms apply to this structure 
E) none of the above 
A) saturated 
B) amine 
C) branched 
D) all of these terms apply to this structure 
E) none of the above

Question 13

The compound named 2,3-dimethylpentane would have how many total number of carbons?

Accepted Answer

A) 3 
B) 5 
C) 7 
D) 8 
E) none of the above 
A) 3 
B) 5 
C) 7 
D) 8 
E) none of the above

Question 14

What is the formula for propyne?

Accepted Answer

A) C3H8 
B) C3H6 
C) C3H4 
D) C3H3 
E) none of the above 
A) C3H8 
B) C3H6 
C) C3H4 
D) C3H3 
E) none of the above

Question 15

The combustion of alkanes,alkenes and alkynes produces:

Accepted Answer

A) water and carbon. 
B) oxygen and hydrogen. 
C) carbon dioxide and hydrogen. 
D) hydrogen and water. 
E) carbon dioxide and water. 
A) water and carbon. 
B) oxygen and hydrogen. 
C) carbon dioxide and hydrogen. 
D) hydrogen and water. 
E) carbon dioxide and water.

Question 16

What will be the molecular geometry of an open-chain noncyclical hydrocarbon with the generic molecular formula CnH2n-2?

Accepted Answer

A) linear 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal 
E) none of the above 
A) linear 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal 
E) none of the above

Question 17

How many carbon atoms would be in the compound named chlorobenzene?

Accepted Answer

A) 1 
B) 5 
C) 6 
D) 7 
E) none of the above 
A) 1 
B) 5 
C) 6 
D) 7 
E) none of the above

Question 18

Alkanes contain double and single bonds.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following structural formulas is an isomer to n-nonane?

Accepted Answer

A)   
B)   
C)   
D)    
E) none of the above 
A)   
B)   
C)   
D)    
E) none of the above

Question 20

How many isomers exist for the alkane whose molecular formula is C4H10?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none 
A) 1 
B) 2 
C) 3 
D) 4 
E) none

A noncyclical alkane hydrocarbon containing eight carbon atoms should also contain eighteen hydrogen atoms.

When an alkene undergoes an addition reaction to form an alkane,a saturated compound has been converted to an unsaturated compound.

Which of the following functional groups represents a ketone?

Hydrocarbon combustion reactions are highly endothermic - they absorb large amounts of heat.

Isomers are compounds with the same structures but different formulas.

Which of the following is an example of a polymer?

Name the following alkane:

The compound CH₃CH₂CH=CHCH₃ is named 3-pentene.

What is the name of the following compound: ?

The compound propyne would consist of how many carbon atoms and how many hydrogen atoms?

Consider the following n-alkanes: CH₄,C₂H₆,C₃H₈,C₄H₁₀ _{Which of these would you expect to have the highest}_{boiling point?}

Which of the following terms could NOT be applied to the compound:

The compound named 2,3-dimethylpentane would have how many total number of carbons?

What is the formula for propyne?

The combustion of alkanes,alkenes and alkynes produces:

What will be the molecular geometry of an open-chain noncyclical hydrocarbon with the generic molecular formula C_nH₂_n_-2?

How many carbon atoms would be in the compound named chlorobenzene?

Alkanes contain double and single bonds.

Which of the following structural formulas is an isomer to n-nonane?

How many isomers exist for the alkane whose molecular formula is C₄H₁₀?

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Exam 18: Organic Chemistry

A noncyclical alkane hydrocarbon containing eight carbon atoms should also contain eighteen hydrogen atoms.

When an alkene undergoes an addition reaction to form an alkane,a saturated compound has been converted to an unsaturated compound.

Which of the following functional groups represents a ketone?

Hydrocarbon combustion reactions are highly endothermic - they absorb large amounts of heat.

Isomers are compounds with the same structures but different formulas.

Which of the following is an example of a polymer?

Name the following alkane:

The compound CH3CH2CH=CHCH3 is named 3-pentene.

What is the name of the following compound: ?

The compound propyne would consist of how many carbon atoms and how many hydrogen atoms?

Consider the following n-alkanes: CH4,C2H6,C3H8,C4H10 Which of these would you expect to have the highest boiling point?

Which of the following terms could NOT be applied to the compound:

The compound named 2,3-dimethylpentane would have how many total number of carbons?

What is the formula for propyne?

The combustion of alkanes,alkenes and alkynes produces:

What will be the molecular geometry of an open-chain noncyclical hydrocarbon with the generic molecular formula CnH2n-2?

How many carbon atoms would be in the compound named chlorobenzene?

Alkanes contain double and single bonds.

Which of the following structural formulas is an isomer to n-nonane?

How many isomers exist for the alkane whose molecular formula is C4H10?

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

Filters

The compound CH₃CH₂CH=CHCH₃ is named 3-pentene.

Consider the following n-alkanes: CH₄,C₂H₆,C₃H₈,C₄H₁₀ _{Which of these would you expect to have the highest}_{boiling point?}

What will be the molecular geometry of an open-chain noncyclical hydrocarbon with the generic molecular formula C_nH₂_n_-2?

How many isomers exist for the alkane whose molecular formula is C₄H₁₀?