Multiple Choice
Which of the following reactions is not applicable to cyanobacterial photosynthesis?
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
E2 reaction
B
Addition reaction
C
SN1 reaction
D
E1 reaction
Verified step by step guidance1
Understand the concept of a nucleophilic substitution reaction: In organic chemistry, a nucleophilic substitution reaction involves the replacement of a leaving group by a nucleophile. This can occur via two main mechanisms: SN1 and SN2.
Identify the characteristics of an SN1 reaction: SN1 stands for unimolecular nucleophilic substitution. It involves a two-step mechanism where the leaving group departs first, forming a carbocation intermediate, followed by the nucleophile attacking the carbocation.
Differentiate between the given reactions: E2 and E1 are elimination reactions, where a molecule loses elements to form a double bond. An addition reaction involves adding elements to a molecule, typically across a double bond.
Recognize that the SN1 reaction is a nucleophilic substitution: Among the options, the SN1 reaction is the only one that fits the definition of a nucleophilic substitution reaction, as it involves the substitution of a leaving group by a nucleophile.
Conclude that the SN1 reaction is the correct example of a nucleophilic substitution reaction in the given list.
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