Which of the Following Statements Is TRUE

question 69

Multiple Choice

Which of the following statements is TRUE?

• A)The slow step in an S_N1 mechanism is the dissociation step, which produces a carbanion and a leaving group.
• B)In an S_N1 mechanism, during the second step the nucleophile attacks the carbocation formed in the first step.
• C)Primary alkylhalides are the best substrates for S_N1 reactions.
• D)The hydroxyl (OH^-)group is an excellent leaving group in S_N1 reactions.
• E)During S_N1 reactions the absolute configuration of the substrate is retained in the product.

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