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Multiple Choice
Which of the following reactions is an example of a nucleophilic substitution reaction in organic chemistry?
A
Diels-Alder reaction
B
E2 reaction
C
E1 reaction
D
SN1 reaction
Verified step by step guidance
1
Understand the concept of nucleophilic substitution reactions. These reactions involve 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. SN1 reactions are unimolecular nucleophilic substitution reactions where the rate-determining step involves the formation of a carbocation intermediate.
Compare the given reactions: Diels-Alder, E2, E1, and SN1. The Diels-Alder reaction is a cycloaddition, E2 is a bimolecular elimination, and E1 is a unimolecular elimination. None of these involve nucleophilic substitution.
Recognize that the SN1 reaction is the only option that fits the definition of a nucleophilic substitution reaction, as it involves a nucleophile replacing a leaving group.
Conclude that the SN1 reaction is the correct example of a nucleophilic substitution reaction among the given options.