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Ch.4 - The Study of Chemical Reactions
Wade - Organic Chemistry 9th Edition
Wade9th EditionOrganic ChemistryISBN: 9780135213728당신이 사용하는 게 아니라요?교과서 변경
4장, 문제 45b

Draw the important resonance forms of the following free radicals.
b.

검증된 단계별 안내
1
Identify the free radical in the given structure. In this case, the free radical is located on the CH2 group attached to the benzene ring.
Recognize that the benzene ring can participate in resonance with the free radical. The unpaired electron on the CH2 group can interact with the π-electrons of the benzene ring.
Draw the first resonance form by moving the unpaired electron from the CH2 group to form a double bond with the adjacent carbon of the benzene ring. This will result in the movement of the π-electrons in the benzene ring.
Continue the resonance by moving the π-electrons around the benzene ring. This will create a new resonance form where the unpaired electron is now located on a different carbon atom in the benzene ring.
Repeat the process to generate additional resonance forms, ensuring that the unpaired electron is delocalized around the benzene ring, which stabilizes the free radical through resonance.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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5m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Resonance Structures

Resonance structures are different ways of drawing the same molecule that illustrate the delocalization of electrons. In the case of free radicals, resonance can help distribute the unpaired electron across multiple atoms, stabilizing the radical. Understanding how to draw these structures is crucial for predicting the reactivity and stability of the molecule.
추천 영상:
03:04
Drawing Resonance Structures

Free Radicals

Free radicals are species that contain an unpaired electron, making them highly reactive. They can be formed through various processes, including the homolytic cleavage of covalent bonds. In organic chemistry, understanding the behavior of free radicals is essential for predicting reaction mechanisms and outcomes, especially in radical substitution reactions.
추천 영상:
03:28
The mechanism of Radical Polymerization.

Aromatic Stability

Aromatic compounds, like benzene, exhibit unique stability due to their cyclic structure and delocalized π electrons. This stability influences the behavior of substituents, including free radicals, on the aromatic ring. Recognizing how resonance and aromaticity contribute to the stability of radicals is key to understanding their reactivity in organic reactions.
추천 영상:
08:19
Intro to Aromaticity