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Multiple Choice
Which of the following reactions does not typically involve the formation of a new carbon-carbon bond?
A
Diels-Alder reaction
B
Esterification
C
Grignard reaction
D
Aldol condensation
Verified step by step guidance
1
Understand the types of reactions listed: Diels-Alder reaction, Esterification, Grignard reaction, and Aldol condensation.
Recognize that the Diels-Alder reaction is a [4+2] cycloaddition reaction that forms a six-membered ring, typically involving the formation of new carbon-carbon bonds.
Identify that the Grignard reaction involves the addition of a Grignard reagent (RMgX) to a carbonyl compound, resulting in the formation of a new carbon-carbon bond.
Note that the Aldol condensation involves the reaction of an enolate ion with a carbonyl compound, leading to the formation of a β-hydroxy carbonyl compound, which involves new carbon-carbon bond formation.
Understand that esterification is a reaction between an alcohol and a carboxylic acid to form an ester and water, which does not typically involve the formation of a new carbon-carbon bond.