Multiple Choice
In the context of organic chemistry reactions, what is the function of an inhibitor?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following reactions is an example of a nucleophilic substitution reaction in organic chemistry?
A
E1 reaction
B
SN1 reaction
C
E2 reaction
D
Diels-Alder reaction
Verified step by step guidance1
Understand the concept of nucleophilic substitution reactions. These reactions involve the replacement of a leaving group by a nucleophile. They are characterized by the attack of a nucleophile on an electrophilic center, typically a carbon atom.
Identify the types of nucleophilic substitution reactions. The two main types are SN1 and SN2 reactions. SN1 reactions are unimolecular nucleophilic substitution reactions, while SN2 reactions are bimolecular.
Examine the characteristics of an SN1 reaction. SN1 reactions proceed via a two-step mechanism: first, the leaving group departs, forming a carbocation intermediate; second, the nucleophile attacks the carbocation.
Compare the SN1 reaction with other types of reactions listed. E1 and E2 reactions are elimination reactions, not substitution reactions. The Diels-Alder reaction is a cycloaddition reaction, not a nucleophilic substitution.
Conclude that among the options given, the SN1 reaction is the correct example of a nucleophilic substitution reaction, as it involves the substitution of a leaving group by a nucleophile.
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