Engineering
Chemistry
Free radical
Question
Select the structure of the major product formed when 1-methylcyclopentane reacts with Br2 in the presence of light.
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Solution
(Stable free radical at tertiary carbon)
Bromine forms a free radical in the presence of sunlight, then bromine abstracts a hydrogen to form most of the stable radical. Bromination occurs selectively at the highest substituted carbon of alkane.
Intermediate free radical is most stable due to a tertiary carbon. So it will be the major product.
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