Question 1

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

Accepted Answer

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

Question 2

Which of the following statements is not true regarding SN2 reactions?

Accepted Answer

A)   A carbocation intermediate is formed.
B)   The mechanism has only one step.
C)   Aprotic solvents are good choices for SN1 reactions.
D)   The stereochemical outcome is inversion at the carbon bearing the leaving group.E) A) and B)
F) A) and C)

Question 3

Which of the following is most likely to undergo rearrangement during reaction with methanol?

Accepted Answer

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

Question 4

Which of the following represents the transition state of the rate-determining step in the reaction between 2-chloropropane and sodium amide leading to elimination?

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

A)   1-hexyne
B)   2-hexyne
C)   propene + propyne
D)   propane + propyneE) All of the above
F) A) and C)

Question 7

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) None of the above
F) A) and C)

Question 8

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

Accepted Answer

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

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) None of the above
F) All of the above A

Question 10

What is the major product formed upon treatment of (R)  2-bromohexane with sodium cyanide?

Accepted Answer

A)   (R)  2-cyanohexane
B)   (S)  2-cyanohexane
C)   1-hexene
D)   2-hexeneE) C) and D)
F) B) and D)

Question 11

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 12

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) C) and D)

Question 13

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) None of the above

Question 14

The rate law for the following reaction would be of the form Rate = k[A][B].

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

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

Question 16

Which of the following statements related to SN1 reactions is not true?

Accepted Answer

A)   The heterolysis of a bond between atoms which do not bear formal charges always produces a cation and an anion
B)   The charged carbon atom of a carbocation has a complete octet of valence shell electrons
C)   Carbocations are Lewis acids
D)   Nucleophiles seek centers of low electron densityE) C) and D)
F) B) and D)

Question 17

What is the equation for the rate of formation of 1-iodobutane from the reaction of 1-chlorobutane (BuCl)  with NaI by an SN2 mechanism?

Accepted Answer

A)   Rate = k [BuCl]
B)   Rate = k [BuCl][NaI]
C)   Rate = k [NaI]
D)   Rate = k [BuCl]2E) None of the above
F) All of the above

Question 18

What is the equation for the rate of formation of 2-methoxypropane, CH3CH(OCH3) CH3, from the reaction of 2-bromopropane (i-PrBr)  with methanol?

Accepted Answer

A)   Rate = k [i-PrBr]
B)   Rate = k [i-PrBr]2
C)   Rate = k [CH3OH]
D)   Rate = k [i-PrBr][CH3OH]E) A) and B)
F) B) and C)

Question 19

What is the equation for the rate of formation of 2-methoxypropane, (CH3CH(OCH3) CH3, from the reaction of 2-bromopropane (i-PrBr)  with sodium methoxide (NaOCH3) ?

Accepted Answer

A)   Rate = k [i-PrBr]
B)   Rate = k [i-PrBr]2
C)   Rate = k [NaOCH3]
D)   Rate = k [i-PrBr][NaOCH3]E) A) and B)
F) None of the above

Question 20

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...

Exam 9: Nucleophilic Substitution and Beta-Elimination

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

Correct Answerverified11ead7c8_9da8_fc3c_84b0_1d986d74c469_TB7078_00

Which of the following statements is not true regarding SN2 reactions?

Correct AnswerverifiedShow Answer

Which of the following is most likely to undergo rearrangement during reaction with methanol?

Correct AnswerverifiedShow Answer

Which of the following represents the transition state of the rate-determining step in the reaction between 2-chloropropane and sodium amide leading to elimination?

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedA

What is the major product formed upon treatment of (R) 2-bromohexane with sodium cyanide?

Correct AnswerverifiedShow Answer

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

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

The rate law for the following reaction would be of the form Rate = k[A][B].

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements related to SN1 reactions is not true?

Correct AnswerverifiedShow Answer

What is the equation for the rate of formation of 1-iodobutane from the reaction of 1-chlorobutane (BuCl) with NaI by an SN2 mechanism?

Correct AnswerverifiedShow Answer

What is the equation for the rate of formation of 2-methoxypropane, CH3CH(OCH3) CH3, from the reaction of 2-bromopropane (i-PrBr) with methanol?

Correct AnswerverifiedShow Answer

What is the equation for the rate of formation of 2-methoxypropane, (CH3CH(OCH3) CH3, from the reaction of 2-bromopropane (i-PrBr) with sodium methoxide (NaOCH3) ?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified
11ead7c8_9da8_fc3c_84b0_1d986d74c469_TB7078_00

Which of the following statements is not true regarding S_N2 reactions?

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C

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A

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Which of the following statements related to S_N1 reactions is not true?

Correct Answer
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What is the equation for the rate of formation of 1-iodobutane from the reaction of 1-chlorobutane (BuCl) with NaI by an S_N2 mechanism?

Correct Answer
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What is the equation for the rate of formation of 2-methoxypropane, CH₃CH(OCH₃) CH₃, from the reaction of 2-bromopropane (i-PrBr) with methanol?

Correct Answer
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What is the equation for the rate of formation of 2-methoxypropane, (CH₃CH(OCH₃) CH₃, from the reaction of 2-bromopropane (i-PrBr) with sodium methoxide (NaOCH₃) ?

Correct Answer
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Correct Answer
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