Question 1

One of the halogenation reactions occurs when a halogen, a member of group VIIA, reacts with alkene.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following represents an addition reaction?

Accepted Answer

A) HX + C4H8 → C4H9X 
B) X2 + C3H6 → C3H5X + HX 
C) C4H8 → C4H6 + H2 
D) more than one response is correct 
A) HX + C4H8 → C4H9X 
B) X2 + C3H6 → C3H5X + HX 
C) C4H8 → C4H6 + H2 
D) more than one response is correct

Question 3

​ A reaction in which the addition of hydrogen takes place is called _____.

Accepted Answer

The answer of ​ A reaction in which the addition...

Question 4

Benzene is an aromatic hydrocarbon while cyclohexane and cyclohexene are aliphatic hydrocarbons.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following compounds is not considered aromatic?

Accepted Answer

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

Question 6

The alkynes belong to an extensive family of compounds that have a large biological significance, especially when discussing digestion.

Accepted Answer

A) True 
 B)False

Question 7

Select the product of the following reaction.

Accepted Answer

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

Question 8

The addition of two moles of hydrogen to an alkyne produces an _____ .

Accepted Answer

A) alkane 
B) alkene 
C) aromatic 
D) alkyl halide 
A) alkane 
B) alkene 
C) aromatic 
D) alkyl halide

Question 9

Consider the diagram below.  Both materials would be considered polycyclic aromatic compounds.

Accepted Answer

A) True 
 B)False

Question 10

Aromatic compounds dissolve well in a nonpolar solvent.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is the correct IUPAC name for the following compound?

Accepted Answer

A) 5-bromo-1,3-cyclohexadiene 
B) 6-bromo-1,3-cyclohexadiene 
C) 2-bromo-1,4-cyclohexadiene 
D) 3-bromo-1,5-cyclohexadiene 
A) 5-bromo-1,3-cyclohexadiene 
B) 6-bromo-1,3-cyclohexadiene 
C) 2-bromo-1,4-cyclohexadiene 
D) 3-bromo-1,5-cyclohexadiene

Question 12

The general formula for an alkene is CnH2n.

Accepted Answer

A) True 
 B)False

Question 13

The physical properties of alkynes are very different from those of alkenes.

Accepted Answer

A) True 
 B)False

Question 14

​ Identify a difference between alkynes and alkenes.

Accepted Answer

A) Alkenes are insoluble in water, whereas alkynes are soluble in water. 
B) Alkenes have higher melting and boiling points than alkynes do. 
C) Alkenes are less dense than water, whereas alkynes are denser than water. 
D) Alkenes consume more moles of addition reagent than alkynes do. 
A) Alkenes are insoluble in water, whereas alkynes are soluble in water. 
B) Alkenes have higher melting and boiling points than alkynes do. 
C) Alkenes are less dense than water, whereas alkynes are denser than water. 
D) Alkenes consume more moles of addition reagent than alkynes do.

Question 15

A major source of aromatic compounds is _____ .

Accepted Answer

A) coal tar 
B) plants 
C) animals 
D) soils 
A) coal tar 
B) plants 
C) animals 
D) soils

Question 16

What reagent or reagents is required for the conversion of cyclohexene to cyclohexane?

Accepted Answer

A) HCl 
B) H2O and H2SO4 
C) H2 and H2SO4 
D) H2 and Pt 
A) HCl 
B) H2O and H2SO4 
C) H2 and H2SO4 
D) H2 and Pt

Question 17

Select the major product that would result from the reaction below. CH3CH2CH=CH2 + HBr → __________

Accepted Answer

A) CH3(CHBr)2CH3 
B) CH2CH2CH2CH3 
C) CH3CHBrCH2CH3 
D) CH3CH2CH2CH2Br 
A) CH3(CHBr)2CH3 
B) CH2CH2CH2CH3 
C) CH3CHBrCH2CH3 
D) CH3CH2CH2CH2Br

Question 18

The reaction of bromine with an alkene can be detected by which of the following?

Accepted Answer

A) formation of hydrogen gas 
B) loss of bromine solution color 
C) precipitate formation 
D) color change from red to green 
A) formation of hydrogen gas 
B) loss of bromine solution color 
C) precipitate formation 
D) color change from red to green

Question 19

Phenyl is the name given to the ion produced when benzene loses one hydrogen, making it a substituent.

Accepted Answer

A) True 
 B)False

Question 20

CH3CH2CH2CH2 is the formula for a saturated hydrocarbon.

Accepted Answer

A) True 
 B)False

Exam 12: Unsaturated Hydrocarbons

One of the halogenation reactions occurs when a halogen, a member of group VIIA, reacts with alkene.

Which of the following represents an addition reaction?

​ A reaction in which the addition of hydrogen takes place is called _____.

Benzene is an aromatic hydrocarbon while cyclohexane and cyclohexene are aliphatic hydrocarbons.

Which of the following compounds is not considered aromatic?

The alkynes belong to an extensive family of compounds that have a large biological significance, especially when discussing digestion.

Select the product of the following reaction.

The addition of two moles of hydrogen to an alkyne produces an _____ .

Consider the diagram below. Both materials would be considered polycyclic aromatic compounds.

Aromatic compounds dissolve well in a nonpolar solvent.

Which of the following is the correct IUPAC name for the following compound?

The general formula for an alkene is CnH2n.

The physical properties of alkynes are very different from those of alkenes.

​ Identify a difference between alkynes and alkenes.

A major source of aromatic compounds is _____ .

What reagent or reagents is required for the conversion of cyclohexene to cyclohexane?

Select the major product that would result from the reaction below. CH3CH2CH=CH2 + HBr → __________

The reaction of bromine with an alkene can be detected by which of the following?

Phenyl is the name given to the ion produced when benzene loses one hydrogen, making it a substituent.

CH3CH2CH2CH2 is the formula for a saturated hydrocarbon.

Matter, Measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, Bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Alcohols, Phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

A reaction in which the addition of hydrogen takes place is called _____.

The general formula for an alkene is C_nH_2n.

Identify a difference between alkynes and alkenes.

Select the major product that would result from the reaction below. CH₃CH₂CH=CH₂ + HBr → __________

CH₃CH₂CH₂CH₂ is the formula for a saturated hydrocarbon.