Organic Compounds Containing Halogens Question 186
Question: The chief reaction product of reaction between n-butane and bromine at 573K is:
Options:
A) $ CH_3CH_2CH_2CH_2Br $
B) $ CH_3CH_2\underset{CH_3}{\mathop{\underset{|}{\mathop{C}}}}HBr $
C) $ CH_3-CH_2\underset{CH_2Br}{\mathop{\underset{|}{\mathop{C}}}}HBr $
D) $ CH_3CH_2\underset{CH_3}{\mathop{\underset{|}{\mathop{C}}}}Br $
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Answer:
Correct Answer: B
Solution:
[b] The reaction proceeds via free radical mechanism. As $ 2{}^\circ $ free radical is more stable than $ 1{}^\circ $ , so $ CH_3CH_2CH(Br)CH_3 $ would be formed.