Question:
Which one of the following is a free-radical substitution reaction:
Which one of the following is a free-radical substitution reaction:
Updated On: Apr 19, 2024
CH3CHO+HCN\(\rightarrow\)CH3CH(OH)CN
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The Correct Option is A
Solution and Explanation
The chlorination of toluene in the presence of sunlight proceeds through a free radical mechanism. The benzyl radical (C6H5CH2+) is the most stable intermediate, resulting in the formation of benzyl chloride as the primary product.
In contrast, all other reactions in this process occur through an ion formation mechanism.
In contrast, all other reactions in this process occur through an ion formation mechanism.
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Concepts Used:
Aromatic hydrocarbon
Aromatic hydrocarbons, sometimes known as arenes, are aromatic organic molecules made up entirely of carbon and hydrogen. In aromatic compounds a benzene ring which is named after the simple aromatic chemical benzene, or a phenyl group when part of a larger structure, is the configuration of six carbon atoms.
Read More: Aromaticity
Reactions of Aromatic Hydrocarbons:
1. Aromatic Substitution Reactions
This reaction involves the replacement of one substituent on the ring of an aromatic hydrocarbon, commonly a hydrogen atom, by a different substituent group.
The common types of aromatic substitution reactions are:
- Nucleophilic aromatic substitution reactions
- Electrophilic aromatic substitution reactions
- Radical nucleophilic aromatic substitution reactions
2. Coupling Reactions
In these types of reactions, the coupling of two fragments that have a radical nature is achieved with the help of a metal catalyst