Question 1

Which diene and dienophile would react to give the following Diels-Alder product?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV

Question 2

Which of the following compounds has the longest  λ\lambdaλ max? max?   A)  I B)  II C)  III D)  IV E)  V " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 3

Which of the following compounds has the longest l λ\lambdaλ max? max?   A)  I B)  II C)  III D)  IV E)  V " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 4

Which of the following symbols is used to represent the molar absorptivity of a given compound in the UV-Vis region?

Accepted Answer

A)   ( λ\lambdaλ ) 
B)   ( ε\varepsilonε ) 
C)   ( vvv ) 
D)   ( γ\gammaγ ) 
E)   ( α\alphaα )

Question 5

Which diene and dienophile would react to give the following Diels-Alder product?

Accepted Answer

The answer of Which diene and dienophile would react to...

Question 6

Which one of the following dienes is least stable?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV

Question 7

Identify the light-sensitive compound in rods.

Accepted Answer

The answer of Identify the light-sensitive compound in rods....

Question 8

What is the correct classification of the following pericyclic reaction?

Accepted Answer

A)   electrophilic addition
B)   sigmatropic rearrangement
C)   cycloaddition
D)   electrocyclic reaction
E)   C & D

Question 9

Predict the major product for the following reaction and explain why it is major product.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00 This reaction is under thermo...

Question 10

The polymerization of isoprene to produce synthetic rubber is a special case of ____- addition.

Accepted Answer

The answer of The polymerization of isoprene to produce synthetic...

Question 11

What is the Cope rearrangement?

Accepted Answer

A)   [2,2] sigmatropic rearrangement with all atoms of the cyclic transition step are carbon atoms
B)   [2,2] sigmatropic rearrangement with heteroatoms
C)   [2,3] sigmatropic rearrangement with all atoms of the cyclic transition step are carbon atoms
D)   [2,3] sigmatropic rearrangement with heteroatoms
E)   [3,3] sigmatropic rearrangement with all atoms of the cyclic transition step are carbon atoms

Question 12

Predict the product for the following Cope rearrangement.   
A. I
B. II
C. III
D. IV

Accepted Answer

C
Describe the defining featur...

Question 13

Which diene and dienophile would react to give the following Diels-Alder product?

Accepted Answer

The answer of Which diene and dienophile would react to...

Question 14

How many  π\piπ  -bonding molecular orbitals does 1,3-pentadiene have?

Accepted Answer

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

Question 15

Compound A is one of the intermediate products in the synthesis of the corticoid hormone cortisone. Provide the structure of compound
A.

Accepted Answer

The answer of Compound A is one of the intermediate...

Question 16

Identify the pericyclic reaction in which two sigma bonds are broken and two pi bonds are formed.

Accepted Answer

A)   sigmatropic rearrangement
B)   cycloaddition reaction
C)   electrolytic reaction
D)   this is not a pericyclic reaction

Question 17

Which diene and dienophile would react to give the following Diels-Alder product?

Accepted Answer

The answer of Which diene and dienophile would react to...

Question 18

Predict the product for the following Diels-Alder reaction.

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   None of these

Question 19

Predict the product(s) for the following reaction.

Accepted Answer

The answer of Predict the product(s) for the following reaction....

Question 20

Which diene and dienophile would react to give the following Diels-Alder product?

Accepted Answer

The answer of Which diene and dienophile would react to...

Exam 16: Conjugated Pi Systems and Pericyclic Reactions

Identify the pericyclic reaction in which two sigma bonds are broken and two pi bonds are formed.

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Which diene and dienophile would react to give the following Diels-Alder product?

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How many π\piπ -bonding molecular orbitals does 1,3-pentadiene have?

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Which of the following compounds has the longest λ\lambdaλ max?

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Identify the light-sensitive compound in rods.

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Which one of the following dienes is least stable?

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Compound A is one of the intermediate products in the synthesis of the corticoid hormone cortisone. Provide the structure of compound A.

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What is the correct classification of the following pericyclic reaction?

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Which of the following symbols is used to represent the molar absorptivity of a given compound in the UV-Vis region?

Correct AnswerverifiedShow Answer

Which diene and dienophile would react to give the following Diels-Alder product?

Correct AnswerverifiedShow Answer

Which diene and dienophile would react to give the following Diels-Alder product?

Correct AnswerverifiedShow Answer

What is the Cope rearrangement?

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Predict the product for the following Diels-Alder reaction.

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Predict the product for the following Cope rearrangement. A. I B. II C. III D. IV

Correct AnswerverifiedCDescribe the defining featur...View AnswerShow Answer

Predict the major product for the following reaction and explain why it is major product.

Correct Answerverified_TB4454_00 This reaction is under thermo...View AnswerShow Answer

The polymerization of isoprene to produce synthetic rubber is a special case of ____- addition.

Correct AnswerverifiedShow Answer

Predict the product(s) for the following reaction.

Correct AnswerverifiedShow Answer

Which diene and dienophile would react to give the following Diels-Alder product?

Correct AnswerverifiedShow Answer

Which of the following compounds has the longest l λ\lambdaλ max?

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Which diene and dienophile would react to give the following Diels-Alder product?

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How many $\pi$ -bonding molecular orbitals does 1,3-pentadiene have?

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Which of the following compounds has the longest $\lambda$ _max? $Which of the following compounds has the longest \lambda <sub>max</sub>? A) I B) II C) III D) IV E) V$

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C
Describe the defining featur...
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_TB4454_00 This reaction is under thermo...
View Answer

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Which of the following compounds has the longest l $\lambda$ _max? $Which of the following compounds has the longest l \lambda <sub>max</sub>? A) I B) II C) III D) IV E) V$

Correct Answer
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Correct Answer
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