Aluminum foil burns in brown gas.
name: Aluminum reacts with bromine forming aluminum bromide.
Aluminium and bromine Experiment No.2/ Aluminium und Brom Versuch Nr. 2
Chemistry experiment 32 - Reaction between bromine and aluminium
Highly Exothermic Aluminum and Bromine Reaction
This experiment must be performed only outside or in a fume hood. Wear eye protection goggles and gloves.
Always follow general safety
recommendations. Please note that conducting chemistry
experiments you must comply with the relevant legal procedures in
- Since bromine is a highly volatile hazardous liquid, this experiment must be performed only in a fume hood.
- Prepare the test tube. Put the stand into the fume hood.
- Put the test tube on the stand.
- Fill the test tube with bromine.
- Place the foil into the test tube.
- Wait a little.
- Aluminum reacts with bromine producing a flame.
In this experiment aluminum is oxidized by bromine. This reaction is highly exothermic and is accompanied by flame and formation of aluminum bromide:
2Al + 3Br2 → 2AlBr3
There is a small lag time before the reaction starts. The reason of is the presence of an oxide protection layer on the surface of the foil. It takes some time to break it down.