F2 + H2 → 2 HF – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

2 F + 2 e- 2 F-I (reduction)

2 H - 2 e- 2 HI (oxidation)

F2 is an oxidizing agent, H2 is a reducing agent.

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  • F2
    • Names: Fluorine , Fluorine-19
    • Appearance: Yellow compressed gas with pungent odour ; Pale-yellow to greenish gas with a pungent, irritating odor.
  • H2
    • Names: Dihydrogen , Hydrogen , H2
    • Appearance: Odourless colourless compressed gas


  • HFFluorane
    • Other names: Hydrofluoric acid , Hydrogen fluoride , Fluorhydric acid
    • Appearance: Colorless solution ; Colourless gas or colourless liquid (below 19.5 °C) ; Colourless gas or colourless fuming liquid with pungent odour ; Colourless fuming liquid with pungent odour ; Colorless gas or fuming liquid (below 67°F) with a strong, irritating odor. [Note: Shipped in cylinders.]
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