Question 1

Consider the pair of reactions below to answer the following question(s).
a.  
or
b. 
-These reactions are classified as ________________reactions.

Accepted Answer

The answer of Consider the pair of reactions below to...

Question 2

What is the major organic product(s)  obtained from the following reaction?

Accepted Answer

A)  3-methyl-1-pentyne
B)  3-methyl-2-pentyne
C)  1-propene + propyne
D)  4-methyl-2-penteneE) None of the above
F) A) and B)

Question 3

What is(are)  the major organic product(s)  obtained from the following substitution reaction?

Accepted Answer

A)  only 1
B)  only 2
C)  only 1 and 2
D)  1, 2 and 3E) A) and B)
F) A) and D)

Question 4

Which of the following alkyl halides undergoes the fastest solvolysis reaction with formic acid, HCOOH?

Accepted Answer

A)  tert-butyl fluoride
B)  tert-butyl chloride
C)  tert-butyl bromide
D)  tert-butyl iodideE) B) and C)
F) C) and D)

Question 5

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 6

Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

Accepted Answer

A)  sodium methoxide
B)  sodium ethoxide
C)  sodium isoproxide
D)  sodium tert-butoxideE) A) and D)
F) None of the above

Question 7

Which of the following compounds undergoes the most rapid hydrolysis reaction?

Accepted Answer

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

Question 8

The following reaction would be classified as an elimination.

Accepted Answer

A) True 
 B)False

Question 9

What is the best choice of reagent to perform the following transformation? 2SO4 B) H2O C) NaOCH3 D) KOtBu" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  H2SO4
B)  H2O
C)  NaOCH3
D)  KOtBuE) A) and B)
F) C) and D)

Question 10

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

Accepted Answer

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

Question 11

Which of the following most favors elimination rather substitution in a reaction with sodium methoxide?

Accepted Answer

A)  bromomethane
B)  bromoethane
C)  1-bromopropane
D)  2-bromopropaneE) A) and B)
F) All of the above

Question 12

Consider the reaction below to answer the following question(s). 
-Compound B by is formed by an _____ mechanism.

Accepted Answer

The answer of Consider the reaction below to answer the...

Question 13

Which of the following represents the transition state of the rate-determining step in the reaction between tert-butyl iodide and water leading to elimination?

Accepted Answer

A)  1
B)  2
C)  3
D)  4E) All of the above
F) C) and D)

Question 14

Which of the following anions is the best leaving group in an SN1 reaction?

Accepted Answer

A)  F-
B)  HO-
C)  NH2-
D)  Cl-E) All of the above
F) A) and C)

Question 15

Which of the following represents the transition state of the reaction between methyl iodide and ammonia?

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

A)  H2O
B)  NH3
C)  H2S
D)  PH3E) C) and D)
F) B) and C)

Question 18

Which of the following is best set of conditions for the preparation of tert-butanol?

Accepted Answer

A)  tert-butyl fluoride in water
B)  tert-butyl bromide in water
C)  tert-butyl fluoride and NaOH in DMSO
D)  tert-butyl bromide and NaOH in DMSOE) All of the above
F) None of the above

Question 19

Consider the pair of reactions below to answer the following question(s).
a.  
or
b. 
-In the reactions a and b if concentration of OH- and SH-, respectively, were doubled, the rate of the reactions would ___________.

Accepted Answer

double inc...

Question 20

What is(are)  the major organic product(s)  obtained from the following substitution reaction?

Accepted Answer

A)  only 1
B)  only 2
C)  only 3
D)  a mixture of 1 and 2E) All of the above
F) A) and D)

Exam 9: Nucleophilic Substitution and Beta-Elimination

The following reaction would be classified as an elimination.

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

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What is(are) the major organic product(s) obtained from the following substitution reaction?

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Which of the following most favors elimination rather substitution in a reaction with sodium methoxide?

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What is the major organic product(s) obtained from the following reaction?

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Which of the following represents the transition state of the reaction between methyl iodide and ammonia?

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Consider the pair of reactions below to answer the following question(s). a. or b. -In the reactions a and b if concentration of OH- and SH-, respectively, were doubled, the rate of the reactions would ___________.

Correct Answerverifieddouble inc...View AnswerShow Answer

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

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Which of the following compounds undergoes the most rapid hydrolysis reaction?

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What is(are) the major organic product(s) obtained from the following substitution reaction?

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Which of the following represents the transition state of the rate-determining step in the reaction between tert-butyl iodide and water leading to elimination?

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Which of the following is best set of conditions for the preparation of tert-butanol?

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

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Consider the reaction below to answer the following question(s). -Compound B by is formed by an _____ mechanism.

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Which of the following alkyl halides undergoes the fastest solvolysis reaction with formic acid, HCOOH?

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What is the best choice of reagent to perform the following transformation?

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Which of the following anions is the best leaving group in an SN1 reaction?

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Consider the pair of reactions below to answer the following question(s). a. or b. -These reactions are classified as ________________reactions.

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

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Which of the following most favors elimination rather substitution in a reaction with 2-bromopropane?

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Consider the pair of reactions below to answer the following question(s). a. or b. -In the reactions a and b if concentration of OH^- and SH^-, respectively, were doubled, the rate of the reactions would ___________.

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double inc...
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Which of the following anions is the best leaving group in an S_N1 reaction?

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