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STD 12 - 6. Haloalkanes and Haloarenes — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 6. Haloalkanes and Haloarenes4 Marks
MCQ
Ethylene reacts with bromine to form
  • A
    Chloroethane
  • ✓
    Ethylene dibromide
  • C
    Cyclohexane
  • D
    $1-$ bromo propane
✓

Answer

Correct option: B.
Ethylene dibromide
b
(b) When ethylene reacts with bromine, it forms ethylene dibromide.

$\mathop {{H_2}C = C{H_2}}\limits_{{\text{Ethylene}}} \; + \mathop {B{r_2}}\limits_{{\text{Bromine}}}  \to $ $\mathop {\begin{array}{*{20}{c}}
  {{H_2}C - C{H_2}} \\ 
  {|\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,Br\,\,\,\,\,Br} 
\end{array}}\limits_{Ethylene\,\,dibromide} $

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