Question 1

Predict the product(s)of the oxidation of 2,3,4-trimethyl-1,5-heptadiene with hot,alkaline KMnO4.

Accepted Answer

Question 2

$\pi$ bonds are quite susceptible to reaction with electron-seeking reagents,also referred to as ___.

Accepted Answer

The answer of $\pi$ bonds are quite susceptible to reaction...

Question 3

Ozonolysis of compound Z yields the products shown below.What is the structure of Z?

Accepted Answer

A)  I
B)  II
C)  III
D)  IV
E)  VF) D) and E)
G) A) and B)

Question 4

How many of the products shown below are possible in the following reaction?

Accepted Answer

A)  1
B)  2
C)  4
D)  All of them.
E)  None of them.F) B) and D)
G) D) and E)

Question 5

What is the major product for the following reaction?

Accepted Answer

A)   
B)   
C)   
D)   
E)  None of these choices.F) A) and B)
G) A) and C)

Question 6

Compound X has the molecular formula C6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is:

Accepted Answer

A)   6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is: 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)   6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is: 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is: 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is: 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is: 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >F) B) and C)
G) All of the above

Question 7

Deduce the structure of an unknown compound A,C8H14,from the following data.Briefly,but clearly explain your rationale.A decolorizes Br2/CCl4,and upon reaction with excess H2/Ni,affords 1-ethyl-2-methylcyclopentane.When A is subjected to ozonolysis,the following product is obtained.

Accepted Answer

A must be 3-ethyl-4-...

Question 8

An unknown compound,A,has the molecular formula C7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A?

Accepted Answer

A)   7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
B)   7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
C)   7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
D)   7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >
E)   7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A? 
A)     
B)     
C)     
D)     
E)    " class="answers-bank-image d-inline" rel="preload" >F) C) and D)
G) B) and E)

Question 9

What are the major product(s) formed by treating 1,2-dimethyl cyclopentene with Br2? 2?   A) I,II B) II,III C) IV,V D) I,III E) None of these choices." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I,II
B)  II,III
C)  IV,V
D)  I,III
E)  None of these choices.F) B) and D)
G) B) and C)

Question 10

What is the major product of the following reaction sequence?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) A) and C)

Question 11

Give a mechanistic explanation for the formation of the following product in significant yield.What other product(s)might also be obtained? Explain clearly.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30"> The regioselective addition of a proton...

Question 12

The conversion of ethylene to vinyl bromide can be accomplished by use of these reagents in the order indicated.

Accepted Answer

A)  (1) HBr; (2) NaOC2H5
B)  (1) Br2; (2) NaOC2H5
C)  (1) Br2; (2) H2O
D)  (1) NaNH2; (2) HBr
E)  (1) HBr; (2) H2SO4F) D) and E)
G) All of the above

Question 13

A reagent or test that could be used to distinguish between 1-pentene and 1-pentyne would be:

Accepted Answer

A)  Bromine in carbon tetrachloride
B)  Dilute aqueous potassium permanganate
C)  Chlorine in carbon tetrachloride
D)  H2SO4
E)  IR examinationF) D) and E)
G) C) and E)

Question 14

What is the chief product of the acid-catalyzed hydration of 2,5-dimethyl-2-hexene?

Accepted Answer

A)  2,5-dimethyl-1-hexanol
B)  2,5-dimethyl-2-hexanol
C)  2,5-dimethyl-3-hexanol
D)  2,5-dimethyl-2,3-hexanediol
E)  2,5-dimethyl-3,4-hexanediolF) None of the above
G) A) and B)

Question 15

Treating 1-methylcyclohexene with HCl would yield primarily which of these?

Accepted Answer

A)  I
B)  II
C)  III
D)  IV
E)  VF) None of the above
G) All of the above

Question 16

Which of these is not a possible product when cyclopentene reacts with an aqueous solution of bromine?

Accepted Answer

A)  I
B)  II
C)  III
D)  IV
E)  VF) B) and D)
G) A) and D)

Question 17

The introduction of a small amount of a peroxide to a hydrogen halide addition of an alkene will result in a(n)___ addition where the hydrogen in the addition appears adds to the carbon with the ___ number of hydrogens.

Accepted Answer

anti-Marko...

Question 18

What is the major product for the following reaction?

Accepted Answer

A)   
B)   
C)   
D)   
E)  None of these choices.F) B) and C)
G) A) and E)

Question 19

What is the major product of the following reaction sequence?

Accepted Answer

A)   
B)   
C)   
D)   
E)  None of these choices.F) A) and B)
G) B) and C)

Question 20

What is the major product for the following reaction?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and E)
G) None of the above

Exam 8: Alkenes and Alkynes II

Compound X has the molecular formula C6H10.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is:

Correct AnswerverifiedShow Answer

The conversion of ethylene to vinyl bromide can be accomplished by use of these reagents in the order indicated.

Correct AnswerverifiedShow Answer

Which of these is not a possible product when cyclopentene reacts with an aqueous solution of bromine?

Correct AnswerverifiedShow Answer

What is the major product of the following reaction sequence?

Correct AnswerverifiedShow Answer

What is the major product for the following reaction?

Correct AnswerverifiedShow Answer

How many of the products shown below are possible in the following reaction?

Correct AnswerverifiedShow Answer

The introduction of a small amount of a peroxide to a hydrogen halide addition of an alkene will result in a(n)___ addition where the hydrogen in the addition appears adds to the carbon with the ___ number of hydrogens.

Correct Answerverifiedanti-Marko...View AnswerShow Answer

π\piπ bonds are quite susceptible to reaction with electron-seeking reagents,also referred to as ___.

Correct AnswerverifiedShow Answer

An unknown compound,A,has the molecular formula C7H12.On oxidation with hot aqueous potassium permanganate,A yields CH3CH2COOH and (CH3) 2CHCOOH.Which of the following structures best represents A?

Correct AnswerverifiedShow Answer

What are the major product(s) formed by treating 1,2-dimethyl cyclopentene with Br2?

Correct AnswerverifiedShow Answer

Predict the product(s)of the oxidation of 2,3,4-trimethyl-1,5-heptadiene with hot,alkaline KMnO4.

Correct AnswerverifiedShow Answer

Ozonolysis of compound Z yields the products shown below.What is the structure of Z?

Correct AnswerverifiedShow Answer

What is the chief product of the acid-catalyzed hydration of 2,5-dimethyl-2-hexene?

Correct AnswerverifiedShow Answer

What is the major product for the following reaction?

Correct AnswerverifiedShow Answer

Treating 1-methylcyclohexene with HCl would yield primarily which of these?

Correct AnswerverifiedShow Answer

What is the major product of the following reaction sequence?

Correct AnswerverifiedShow Answer

What is the major product for the following reaction?

Correct AnswerverifiedShow Answer

A reagent or test that could be used to distinguish between 1-pentene and 1-pentyne would be:

Correct AnswerverifiedShow Answer

Give a mechanistic explanation for the formation of the following product in significant yield.What other product(s)might also be obtained? Explain clearly.

Correct Answerverified The regioselective addition of a proton...View AnswerShow Answer

Deduce the structure of an unknown compound A,C8H14,from the following data.Briefly,but clearly explain your rationale.A decolorizes Br2/CCl4,and upon reaction with excess H2/Ni,affords 1-ethyl-2-methylcyclopentane.When A is subjected to ozonolysis,the following product is obtained.

Correct AnswerverifiedA must be 3-ethyl-4-...View AnswerShow Answer

Compound X has the molecular formula C₆H₁₀.X decolorizes bromine in carbon tetrachloride.X also shows IR absorption at about 3300 cm^-1.When treated with excess hydrogen and a nickel catalyst,X yields 2-methylpentane.The most likely structure for X is:

Correct Answer
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The introduction of a small amount of a peroxide to a hydrogen halide addition of an alkene will result in a(n)_ addition where the hydrogen in the addition appears adds to the carbon with the _ number of hydrogens.

Correct Answer
verified
anti-Marko...
View Answer

$\pi$ bonds are quite susceptible to reaction with electron-seeking reagents,also referred to as ___.

Correct Answer
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An unknown compound,A,has the molecular formula C₇H₁₂.On oxidation with hot aqueous potassium permanganate,A yields CH₃CH₂COOH and (CH₃) ₂CHCOOH.Which of the following structures best represents A?

Correct Answer
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What are the major product(s) formed by treating 1,2-dimethyl cyclopentene with Br₂?

Correct Answer
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Predict the product(s)of the oxidation of 2,3,4-trimethyl-1,5-heptadiene with hot,alkaline KMnO₄.

Correct Answer
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The regioselective addition of a proton...
View Answer

Deduce the structure of an unknown compound A,C₈H₁₄,from the following data.Briefly,but clearly explain your rationale.A decolorizes Br₂/CCl₄,and upon reaction with excess H₂/Ni,affords 1-ethyl-2-methylcyclopentane.When A is subjected to ozonolysis,the following product is obtained.

Correct Answer
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A must be 3-ethyl-4-...
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