Hydrocarbons Question 18
Question: What is the product of the reaction of 1, 3-butadiene with $Br_2$ [Orissa JEE 2003]
Options:
A) 1,4 -dibromobutene
B) 1,2 -dibromobutene
C) 3,4-dibromobutene
D) 2,3-dibromo-2-butene
Show Answer
Answer:
Correct Answer: A
Solution:
$ \underset{\text{1,3}butadiene}{\mathop{CH_2=CH-CH=CH_2}}\xrightarrow{Br_2}\underset{\text{1,4}-dibromo-2-butene}{\mathop{\underset{\underset{Br}{\mathop{|}}}{\mathop{CH_2}}-CH=CH-\underset{\underset{Br}{\mathop{|}}}{\mathop{CH_2}}}} $
BETA
