Question 1

Which of the following alkyl halides undergoes the fastest SN2 reaction with sodium cyanide, NaCN?

Accepted Answer

A)  methyl iodide
B)  ethyl iodide
C)  2-iodopropane
D)  tert-butyl iodideE) A) and B)
F) A) and C)

Question 2

Classify each of the following species ,Place the letter of the choice in the blank to the left of the formula.
-________

Accepted Answer

A)  an electrophile.
B)  a nucleophile.
C)  either an electrophile or a nucleophile.D) A) and B)
E) A) and C)

Question 3

Which of the following anions is the most nucleophilic in polar aprotic solvents?

Accepted Answer

A)  F-
B)  Cl-
C)  Br-
D)  I-E) A) and B)
F) A) and C)

Question 4

Draw all of the chloroalkanes that undergo base-promoted dehydrochlorination to form the following alkene?

Accepted Answer

The answer of Draw all of the chloroalkanes that undergo...

Question 5

Which of the following solvents is the best choice for the reaction of 1-chlorohexane with sodium bromide?

Accepted Answer

A)  dimethylsulfoxide
B)  water
C)  hexane
D)  toluene, PhCH3E) A) and C)
F) A) and D)

Question 6

Which of the following anions is the most nucleophilic in polar protic solvents?

Accepted Answer

A)  F-
B)  Cl-
C)  Br-
D)  I-E) A) and C)
F) C) and D)

Question 7

What is the major organic product obtained from the following reaction?

Accepted Answer

The answer of What is the major organic product obtained...

Question 8

What is the major organic product obtained from the following reaction?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) B) and C)
F) A) and D)

Question 9

Which of the following statements is not true regarding SN1 reactions?

Accepted Answer

A)  A carbocation intermediate is formed.
B)  The mechanism has only one step.
C)  Polar, protic solvents are good choices for SN1 reactions.
D)  The stereochemical outcome is racemization at the carbon bearing the leaving group.E) All of the above
F) A) and B)

Question 10

Which of the following energy diagrams represents the course of an exothermic SN2 reaction? N2 reaction?   A) 1 B) 2 C) 3 D) 4" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) C) and D)
F) None of the above

Question 11

The following reaction would have a faster rate in a higher polarity solvent than one of low polarity.

Accepted Answer

A) True 
 B)False

Exam 9: Nucleophilic Substitution and Beta-Elimination

Which of the following alkyl halides undergoes the fastest S_N2 reaction with sodium cyanide, NaCN?

Correct Answer
verified

Classify each of the following species ,Place the letter of the choice in the blank to the left of the formula. -________

Correct Answer
verified

Which of the following solvents is the best choice for the reaction of 1-chlorohexane with sodium bromide?

Correct Answer
verified

Which of the following anions is the most nucleophilic in polar protic solvents?

Correct Answer
verified

Which of the following statements is not true regarding S_N1 reactions?

Correct Answer
verified

Draw all of the chloroalkanes that undergo base-promoted dehydrochlorination to form the following alkene?

Correct Answer
verified

The following reaction would have a faster rate in a higher polarity solvent than one of low polarity.

Correct Answer
verified

Which of the following anions is the most nucleophilic in polar aprotic solvents?

Correct Answer
verified

What is the major organic product obtained from the following reaction?

Correct Answer
verified

What is the major organic product obtained from the following reaction?

Correct Answer
verified

Which of the following energy diagrams represents the course of an exothermic S_N2 reaction?

Correct Answer
verified

Exam 9: Nucleophilic Substitution and Beta-Elimination

Which of the following alkyl halides undergoes the fastest SN2 reaction with sodium cyanide, NaCN?

Correct AnswerverifiedShow Answer

Classify each of the following species ,Place the letter of the choice in the blank to the left of the formula. -________

Correct AnswerverifiedShow Answer

Which of the following solvents is the best choice for the reaction of 1-chlorohexane with sodium bromide?

Correct AnswerverifiedShow Answer

Which of the following anions is the most nucleophilic in polar protic solvents?

Correct AnswerverifiedShow Answer

Which of the following statements is not true regarding SN1 reactions?

Correct AnswerverifiedShow Answer

Draw all of the chloroalkanes that undergo base-promoted dehydrochlorination to form the following alkene?

Correct AnswerverifiedShow Answer

The following reaction would have a faster rate in a higher polarity solvent than one of low polarity.

Correct AnswerverifiedShow Answer

Which of the following anions is the most nucleophilic in polar aprotic solvents?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

What is the major organic product obtained from the following reaction?

Correct AnswerverifiedShow Answer

Which of the following energy diagrams represents the course of an exothermic SN2 reaction?

Correct AnswerverifiedShow Answer

Which of the following alkyl halides undergoes the fastest S_N2 reaction with sodium cyanide, NaCN?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following statements is not true regarding S_N1 reactions?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Which of the following energy diagrams represents the course of an exothermic S_N2 reaction?

Correct Answer
verified