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

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

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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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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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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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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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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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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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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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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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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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