Hydrocarbons Question 50

Question: The reaction of HBr with $ \overset{\overset{CH_3}{\mathop{|}}}{\mathop{CH_3-C=CH_2}} $ in the presence of peroxide will give [BHU 2005]

Options:

A) $ \underset{\underset{CH_3}{\mathop{|}}}{\mathop{CH_3CBrCH_3}} $

B) CH3CH2CH2CH2Br

C) $ \overset{\overset{CH_3}{\mathop{|}}}{\mathop{CH_3CHCH_2Br}} $

D) $ \overset{\overset{CH_3}{\mathop{|}}}{\mathop{CH_3CH_2CHCH_3}} $

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Answer:

Correct Answer: C

Solution:

$ \underset{CH_3}{\mathop{\underset{|}{\mathop{CH_3-C=CH_2}}}}\underset{anti.Markownkoffsaddtion}{\mathop{\xrightarrow{HBr/peroxide}}}\underset{CH_3}{\mathop{\underset{|}{\mathop{CH_3-CHCH_2-Br}}}} $