MCQ
When $\text{CH}_3-\text{C}\equiv\text{CH}$ reacts with one mole of $\text{HBr}$ then product obtained is :
  • A
    Bromoethene.
  • B
    Dibromopropane.
  • $2-$ bromopropene.
  • D
    $1-$ bromopropane.

Answer

Correct option: C.
$2-$ bromopropene.
$ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Br}\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\\text{CH}_3-\text{C}\equiv\text{CH}+\text{HBr}\rightarrow\text{CH}_2=\text{C}-\text{CH}_3\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ _{2-\text{bromopropene}}$

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