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Multiple Choice
Which of the following reactions is an example of a nucleophilic substitution reaction?
A
E2 reaction
B
SN1 reaction
C
Diels-Alder reaction
D
E1 reaction
Verified step by step guidance
1
Understand the concept of a nucleophilic substitution reaction: It involves the replacement of a leaving group by a nucleophile. The two main types are SN1 and SN2 reactions.
Identify the characteristics of an SN1 reaction: It is a two-step process where the leaving group departs first, forming a carbocation intermediate, followed by the nucleophile attacking the carbocation.
Compare the given reactions: E2 and E1 are elimination reactions, not substitution. The Diels-Alder reaction is a cycloaddition reaction, not a substitution.
Recognize that the SN1 reaction fits the definition of a nucleophilic substitution reaction, as it involves the substitution of a leaving group by a nucleophile.
Conclude that among the options provided, the SN1 reaction is the correct example of a nucleophilic substitution reaction.