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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
Hydrogenation 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: It is a two-step process where the leaving group departs first, forming a carbocation intermediate, followed by the nucleophile attacking the carbocation.
Compare with other reactions: E2 and E1 are elimination reactions, not substitution. Hydrogenation involves the addition of hydrogen, not substitution.
Recognize that SN1 reactions are unimolecular nucleophilic substitution reactions, where the rate-determining step involves only the substrate.
Conclude that among the given options, the SN1 reaction is the correct example of a nucleophilic substitution reaction.