C2H4 + Br2 → C2H4Br2 – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

2 Br + 2 e- 2 Br-I (reduction)

2 C-II - 2 e- 2 C-I (oxidation)

Br2 is an oxidizing agent, C2H4 is a reducing agent.

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Reactants:

  • C2H4Ethene
    • Other names: Ethylene , CH2=CH2 , H2C=CH2 , R-1150
    • Appearance: Colorless gas ; Colourless compressed gas with characteristic odour
  • Br2
    • Names: Bromine , Molecular bromine
    • Appearance: Fuming red-to-brown liquid with pungent odour ; Dark reddish-brown, fuming liquid with suffocating, irritating fumes.

Products:

  • C2H4Br2
    • Names: 1,2-dibromoethane , Ethylene dibromide , Ethylene bromide
    • Appearance: Colourless liquid with characteristic odour. turns brown on exposure to light ; Colorless liquid or solid (below 50°F) with a sweet odor. [fumigant]
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