Question 1

Which of these is the correct name for CH3CH2HC=CHCHO?

Accepted Answer

A)  Pentanal 
B)  2-pentenal 
C)  Pentenal 
D)  2-ethyl-propanal 
E)  Benzaldehyde 
A)  Pentanal 
B)  2-pentenal 
C)  Pentenal 
D)  2-ethyl-propanal 
E)  Benzaldehyde B

Question 2

Which of these does not always have a double bond?

Accepted Answer

A)  Amine 
B)  Aldehyde 
C)  Ketone 
D)  Alkene 
E)  Carboxylic acid 
A)  Amine 
B)  Aldehyde 
C)  Ketone 
D)  Alkene 
E)  Carboxylic acid A

Question 3

Which of these statements best explains the designation "organic"?

Accepted Answer

A)  Any naturally occurring substance. 
B)  Any substance that contains carbon. 
C)  Any substance that contains ionic bonds. 
D)  Any substance that is formed by synthetic means. 
E)  A substance that is  formed as a result of vitalism. 
A)  Any naturally occurring substance. 
B)  Any substance that contains carbon. 
C)  Any substance that contains ionic bonds. 
D)  Any substance that is formed by synthetic means. 
E)  A substance that is  formed as a result of vitalism. B

Question 4

Which of these functional groups does not contain a C=O in its general formula?

Accepted Answer

A)  Aldehydes 
B)  Alcohols 
C)  Esters 
D)  Carboxylic acids 
E)  Ketones 
A)  Aldehydes 
B)  Alcohols 
C)  Esters 
D)  Carboxylic acids 
E)  Ketones

Question 5

How many hydrogen atoms does a molecule of hexane contain?

Accepted Answer

A)  10 
B)  11 
C)  12 
D)  13 
E)  14 
A)  10 
B)  11 
C)  12 
D)  13 
E)  14

Question 6

Which of these statements about alcohols is incorrect ?

Accepted Answer

A)  Alcohols are polar in nature. 
B)  Methanol is often used as a solvent. 
C)  Isopropyl alcohol is used as a disinfectant. 
D)  Ethanol is a component in alcoholic beverages. 
E)  Ethanol is a gas at room temperature. 
A)  Alcohols are polar in nature. 
B)  Methanol is often used as a solvent. 
C)  Isopropyl alcohol is used as a disinfectant. 
D)  Ethanol is a component in alcoholic beverages. 
E)  Ethanol is a gas at room temperature.

Question 7

How many structural isomers does pentane have?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 8

Which of these alkanes would be gases at room temperature?
I. C2H6
II. C3H8
III. C5H10
IV. C6H14
V. CH4

Accepted Answer

A)  I and II 
B)  I, II, and III 
C)  III and IV 
D)  I, II, and V 
E)  I and V 
A)  I and II 
B)  I, II, and III 
C)  III and IV 
D)  I, II, and V 
E)  I and V

Question 9

Which of these is not a subfamily of the hydrocarbon family?

Accepted Answer

A)  Alkenes 
B)  Alkynes 
C)  Alkanes 
D)  Functionalized hydrocarbons 
E)  Aromatic hydrocarbons 
A)  Alkenes 
B)  Alkynes 
C)  Alkanes 
D)  Functionalized hydrocarbons 
E)  Aromatic hydrocarbons

Question 10

Which of the following compounds has the following structural formula?
​

Accepted Answer

A)  Ethane 
B)  Butane 
C)  Propane 
D)  Hexane 
E)  Methane 
A)  Ethane 
B)  Butane 
C)  Propane 
D)  Hexane 
E)  Methane

Question 11

Which of these is the correct name for the structure below?
​

Accepted Answer

A)  Butenol 
B)  Isobutanol 
C)  2-methyl-1-propanol 
D)  Isopropanol 
E)  Both C and D are correct. 
A)  Butenol 
B)  Isobutanol 
C)  2-methyl-1-propanol 
D)  Isopropanol 
E)  Both C and D are correct.

Question 12

Which of these is the generic symbol for the functional group "ketones"?

Accepted Answer

A)  R-Cl 
B)  R-OH 
C)    
D)    
E)    
A)  R-Cl 
B)  R-OH 
C)    
D)    
E)

Question 13

Which of these is the generic symbol for the functional group "alcohols"?

Accepted Answer

A)  R-Cl 
B)  R-OH 
C)    
D)    
E)    
A)  R-Cl 
B)  R-OH 
C)    
D)    
E)

Question 14

Which of these is the generic symbol for the functional group "aldehydes"?

Accepted Answer

A)  R-Cl 
B)  R-OH 
C)    
D)    
E)    
A)  R-Cl 
B)  R-OH 
C)    
D)    
E)

Question 15

Which of these is the correct name for the structure depicted?
​

Accepted Answer

A)  2-methylhexane 
B)  2-methylpropane 
C)  2,3-dimethylbutane 
D)  2,3-dimethylhexane 
E)  2-methyl-3-ethylbutane 
A)  2-methylhexane 
B)  2-methylpropane 
C)  2,3-dimethylbutane 
D)  2,3-dimethylhexane 
E)  2-methyl-3-ethylbutane

Question 16

Determine the number of structural isomers  of octane.

Accepted Answer

A)  0 
B)  18 
C)  20 
D)  3 
E)  4 
A)  0 
B)  18 
C)  20 
D)  3 
E)  4

Question 17

Molecules with the same chemical formula but different structural formulas are known as _____.

Accepted Answer

A)  isomers 
B)  hydrocarbons 
C)  isotopes 
D)  stereocenters 
E)  radicals 
A)  isomers 
B)  hydrocarbons 
C)  isotopes 
D)  stereocenters 
E)  radicals

Question 18

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s) than the alkene.

Accepted Answer

A)  one more 
B)  two more 
C)  one fewer 
D)  two fewer 
E)  three fewer 
A)  one more 
B)  two more 
C)  one fewer 
D)  two fewer 
E)  three fewer

Question 19

Which of these is the correct name for the structure below?
​

Accepted Answer

A)  2-butanone 
B)  Butanoic acid 
C)  2-methyl-3-propanone 
D)  3-methyl-2-butanone 
E)  2,2-dimethyl-propanal 
A)  2-butanone 
B)  Butanoic acid 
C)  2-methyl-3-propanone 
D)  3-methyl-2-butanone 
E)  2,2-dimethyl-propanal

Question 20

Which of these scientists was the first to synthesize an organic compound?

Accepted Answer

A)  Wohler 
B)  Lewis 
C)  Watson 
D)  Dalton 
E)  Kekule 
A)  Wohler 
B)  Lewis 
C)  Watson 
D)  Dalton 
E)  Kekule

Which of these is the correct name for CH₃CH₂HC=CHCHO?

Which of these does not always have a double bond?

Which of these statements best explains the designation "organic"?

Which of these functional groups does not contain a C=O in its general formula?

How many hydrogen atoms does a molecule of hexane contain?

Which of these statements about alcohols is incorrect ?

How many structural isomers does pentane have?

Which of these alkanes would be gases at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V. CH₄

Which of these is not a subfamily of the hydrocarbon family?

Which of the following compounds has the following structural formula?

Which of these is the correct name for the structure below?

Which of these is the generic symbol for the functional group "ketones"?

Which of these is the generic symbol for the functional group "alcohols"?

Which of these is the generic symbol for the functional group "aldehydes"?

Which of these is the correct name for the structure depicted?

Determine the number of structural isomers of octane.

Molecules with the same chemical formula but different structural formulas are known as _____.

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s) than the alkene.

Which of these is the correct name for the structure below?

Which of these scientists was the first to synthesize an organic compound?

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Exam 6: Organic Chemistry

Which of these is the correct name for CH3CH2HC=CHCHO?

Which of these does not always have a double bond?

Which of these statements best explains the designation "organic"?

Which of these functional groups does not contain a C=O in its general formula?

How many hydrogen atoms does a molecule of hexane contain?

Which of these statements about alcohols is incorrect ?

How many structural isomers does pentane have?

Which of these alkanes would be gases at room temperature? I. C2H6 II. C3H8 III. C5H10 IV. C6H14 V. CH4

Which of these is not a subfamily of the hydrocarbon family?

Which of the following compounds has the following structural formula? ​

Which of these is the correct name for the structure below? ​

Which of these is the generic symbol for the functional group "ketones"?

Which of these is the generic symbol for the functional group "alcohols"?

Which of these is the generic symbol for the functional group "aldehydes"?

Which of these is the correct name for the structure depicted? ​

Determine the number of structural isomers of octane.

Molecules with the same chemical formula but different structural formulas are known as _____.

If an alkene undergoes a reaction to become an alkane, the newly formed alkane will most likely contain _____ hydrogen atom(s) than the alkene.

Which of these is the correct name for the structure below? ​

Which of these scientists was the first to synthesize an organic compound?

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Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Light and Color

Nuclear Chemistry

Energy for Today

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The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

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Which of these is the correct name for CH₃CH₂HC=CHCHO?

Which of these alkanes would be gases at room temperature? I. C₂H₆ II. C₃H₈ III. C₅H₁₀ IV. C₆H₁₄ V. CH₄

Which of the following compounds has the following structural formula?

Which of these is the correct name for the structure below?

Which of these is the correct name for the structure depicted?

Which of these is the correct name for the structure below?