This video outlines how a displacement reaction works with the use of halogens. *Corrections* Chlorine (aq) forms a very pale green solution Bromine (aq) forms a yellow solution Iodine (aq) forms a dark red/brown solution Whichever colour your solution is, that is the corresponding halogen you have present moving freely. Meaning it’s not bonded to/attached to any other atom. If you have a Bromine (yellow) solution, you add a reactant and your solution remains yellow then your reaction has not taken place!
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