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Multiple Choice
Which of the following reactions is an example of a nucleophilic substitution reaction in organic chemistry?
A
E2 reaction
B
E1 reaction
C
SN1 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. They are characterized by the presence of a nucleophile, a substrate with a good leaving group, and the formation of a new bond between the nucleophile and the substrate.
Identify the types of nucleophilic substitution reactions: The two main types are SN1 and SN2 reactions. SN1 reactions are unimolecular and involve a two-step mechanism, while SN2 reactions are bimolecular and involve a one-step mechanism.
Analyze the given options: E2 and E1 reactions are elimination reactions, not substitution reactions. The Diels-Alder reaction is a cycloaddition reaction, not a substitution reaction.
Focus on the SN1 reaction: This is a nucleophilic substitution reaction where the rate-determining step involves the formation of a carbocation intermediate. The nucleophile then attacks the carbocation to form the product.
Conclude that the SN1 reaction is the correct example of a nucleophilic substitution reaction among the given options.