Multiple Choice
Which statement about the regulation of ferritin in organic chemistry reactions is false?
3. Acids and Bases
Organic Chemistry Reactions
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Which of the following is a characteristic of the Diels-Alder reaction?
A
It proceeds through a carbocation intermediate.
B
It is a nucleophilic substitution reaction.
C
It involves a [4+2] cycloaddition.
D
It requires a radical initiator.
Verified step by step guidance1
Identify the Diels-Alder reaction as a type of pericyclic reaction, specifically a cycloaddition reaction.
Understand that the Diels-Alder reaction involves the interaction between a conjugated diene and a dienophile, forming a six-membered ring.
Recognize that the Diels-Alder reaction is classified as a [4+2] cycloaddition, where '4' refers to the four π-electrons from the diene and '2' refers to the two π-electrons from the dienophile.
Note that the Diels-Alder reaction does not proceed through a carbocation intermediate, nor does it require a radical initiator, distinguishing it from other reaction types.
Conclude that the characteristic feature of the Diels-Alder reaction is the [4+2] cycloaddition mechanism, which is concerted and does not involve intermediates like carbocations or radicals.
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