Organic Compounds Containing Halogens Question 152
Question: When but -3-en -2- ol reacts with aq. HBr, the product formed is
[DCE 2001]
Options:
A) 3 - bromobut - 1- ene
B) 1 - bromobut - 2- ene
C) A mixture of both a and b
D) 2 - bromobut - 2 - ene
Show Answer
Answer:
Correct Answer: C
Solution:
$ H_2\overset{\oplus }{\mathop{C}}-CH=CH-CH_3]\xrightarrow{B{r^{}}} $
$ \underset{\text{3 Bromobut-1-ene}}{\mathop{H_2C=CH-\overset{Br}{\mathop{\overset{|}{\mathop{C}}H}}-CH_3}}+\underset{\text{1 Bromo but-2-ene}}{\mathop{Br-CH_2-CH=CH-CH_3}} $
BETA
