Question

Which one of the following is an allylic halide ?

• A. $2$-Chlorobutane
• B. Chloroethene
• C. $3$-bromopropene
• D. $2$-Chlorotoluene

Answer 1

Answer: (C)

$3$-bromopropene

Answer 2

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.