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IBr refers to iodine monobromide, a chemical compound consisting of one iodine atom and one bromine atom bonded together. It is a reddish-brown solid that can be used as a reagent or catalyst in certain reactions.
Halogens are a group of elements in the periodic table that includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
A redox reaction involves the transfer of electrons between reactants, with one species being oxidized and another being reduced.
A catalyst is a substance that speeds up the rate of a chemical reaction without being consumed itself.