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Explain why the following carbocation rearrangement is not likely. Explain why the following carbocation rearrangement is not likely.

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Rearrangement occurs only when a more st...

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The following alkyl bromide can react with NaF via an SN1 mechanism.Draw the mechanism and product(s)of this reaction.Be sure to pay attention to stereochemistry,if applicable. The following alkyl bromide can react with NaF via an S<sub>N</sub>1 mechanism.Draw the mechanism and product(s)of this reaction.Be sure to pay attention to stereochemistry,if applicable.

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What is the product of the following E1 reaction? What is the product of the following E1 reaction? A) I B) II C) III D) A mixture of II and III E) An E1 reaction mechanism is not possible.


A) I
B) II
C) III
D) A mixture of II and III
E) An E1 reaction mechanism is not possible.

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For the following SN1 reaction,what would happen to the rate if the concentration of B was quadrupled? For the following S<sub>N</sub>1 reaction,what would happen to the rate if the concentration of B was quadrupled?

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The reaction rate wo...

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Which of the following will not undergo a 1,2-hydride shift? Which of the following will not undergo a 1,2-hydride shift? A) I B) II C) III D) IV E) V


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

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Which of the following mechanism steps is not allowed? Which of the following mechanism steps is not allowed? A) I B) II C) III D) IV E) All are allowed.


A) I
B) II
C) III
D) IV
E) All are allowed.

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Draw a detailed free energy diagram for the following E1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s). Draw a detailed free energy diagram for the following E1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s).

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Which of the following could be the rate law for an SN1 reaction?


A) Rate = k[A]
B) Rate = k[A]2
C) Rate = k[A][B]
D) Rate = k[A][B]2
E) Rate = k[A]2[B]2

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Which is not true of a free energy diagram for an SN1 reaction?


A) It includes local energy minima between transition states.
B) It includes intermediates that are higher in energy than reactants or products.
C) It includes two transition states.
D) The heteolysis step always has the highest energy barrier.
E) All of the above are true.

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Draw the product(s)of the following E2 reaction. Draw the product(s)of the following E2 reaction.

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For the following E2 reaction,what would happen to the rate if the concentration of A was doubled? For the following E2 reaction,what would happen to the rate if the concentration of A was doubled?

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The reacti...

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Which of the following would undergo a 1,2-methyl shift? Which of the following would undergo a 1,2-methyl shift? A) I B) II C) III D) IV E) V


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

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If the following compound undergoes a 1,2-hydride shift,what is the most likely product? If the following compound undergoes a 1,2-hydride shift,what is the most likely product? A) I B) II C) III D) IV E) V


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

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The following mechanism has an unreasonable step.Indicate which step is unreasonable,and explain why. The following mechanism has an unreasonable step.Indicate which step is unreasonable,and explain why.

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Step 2 is unreasonable because it underg...

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Draw a detailed free energy diagram for the following SN1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s). Draw a detailed free energy diagram for the following S<sub>N</sub>1 reaction.Include and label the overall reactants,the overall products,the intermediate(s),the axis,and the transition state(s).

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Which is true of a free energy diagram for an E1 reaction?


A) It proceeds through a carbocation intermediate.
B) It begins with the rate-determining step.
C) It includes two transition states.
D) It ends with alkene-containing products.
E) All of the above are true.

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SN2 reactions require ________ attack of the substrate by the nucleophile.

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Which of the following steps could be found in an SN1 mechanism? Which of the following steps could be found in an S<sub>N</sub>1 mechanism? A) I B) II C) III D) IV E) V


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

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What is the most likely product of the following SN2 reaction? What is the most likely product of the following S<sub>N</sub>2 reaction? A) I B) II C) III D) IV E) A racemic mixture of II and III


A) I
B) II
C) III
D) IV
E) A racemic mixture of II and III

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Explain why the following carbocation rearrangement is not likely. Explain why the following carbocation rearrangement is not likely.

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Rearrangement occurs only when...

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