Which of the Following Best Describes the Mechanism of an S_N2

question 38

Multiple Choice

Which of the following best describes the mechanism of an S_N2 reaction?

• A)The nucleophile attacks and the leaving group leaves in a concerted fashion.
• B)The nucleophile forms a bond with the electrophile first,followed by the loss of a leaving group.
• C)The leaving group leaves first,followed by the attack of a nucleophile.
• D)The electrophile attacks and the leaving group leaves in a concerted fashion.

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