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Multiple Choice
Which of the following reactions is an example of a nucleophilic substitution reaction in organic chemistry?
A
SN1 reaction
B
E1 reaction
C
E2 reaction
D
Diels-Alder 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. 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 SN1 reaction with other options: E1, E2, and Diels-Alder reactions. E1 and E2 are elimination reactions, not substitution reactions. Diels-Alder is a cycloaddition reaction, also 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 given options, the SN1 reaction is the correct example of a nucleophilic substitution reaction in organic chemistry.