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Iodine monobromide
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<p>Iodine monobromide is an <a href="/facts/Interhalogen/TBED2c9B">interhalogen compound</a> with the formula IBr. It is a dark red solid that melts near room temperature. Like <a href="/facts/Iodine_monochloride/2KLz6ubC">iodine monochloride</a>, IBr is used in some types of <a href="/facts/Iodometry/9Aro9FdG">iodometry</a>. It serves as a source of I+. Its Lewis acid properties are compared with those of ICl and I2 in the <a href="/facts/ECW_model/xyCvhKX6">ECW model</a>. It can form <a href="/facts/Charge-transfer_complex/hbIyNJlo">CT adducts</a> with Lewis donors. </p><p>Iodine monobromide is formed when <a href="/facts/Iodine/JlfMecMf">iodine</a> and <a href="/facts/Bromine/oLfj3C7D">bromine</a> are combined in a chemical reaction:. </p> I2 + Br2 → 2 IBr