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Chemistry
Which one of the following is an allylic halide ?
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Q. Which one of the following is an allylic halide ?
KEAM
KEAM 2015
Haloalkanes and Haloarenes
A
$2$-Chlorobutane
15%
B
Chloroethene
7%
C
$3$-bromopropene
57%
D
$2$-Chlorotoluene
10%
E
Dichloromethane
10%
Solution:
When halogen atom attached with adjacent position of unsaturation, the position is called allylic position and compound is called allylic halide.
In 3-bromopropene, halogen atom (bromine) attached with adjacent position of double bond, so compound is called allylic bromide.