Hydrocarbons Question 21
Question: The major product formed when propene reacts with HBr in presence of peroxides is [NCERT 1980; CBSE PMT 1989]
Options:
A) n-propyl bromide
B) Isopropyl bromide
C) n-propyl alcohol
D) 1, 3-dibromopropane
Show Answer
Answer:
Correct Answer: A
Solution:
$ CH-CH=CH_2+HBr\xrightarrow{peroxide} $
$ \underset{n-propylbromide}{\mathop{CH_3-CH_2-CH_2-B}}r $
In presence of peroxide addition takes place according to Anti Markownikoff’s rule and hydrogen atom goes to that carbon atom which is less hydrogenated.
BETA
