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• Preparation

  Iron(III) bromide is prepared by the action of bromine with iron filings:
  2Fe + 3Br2 → 2FeBr3
  The compound should be stored in dark bottles protected from air or light. It also may be obtained by double decompostion reactions between a ferric salt and a bromide (alkali metal bromide) in aqueous solution followed by evaporation and crystallization:
  Fe2(SO4)3 + LiBr → 2FeBr3 + 3Li2SO4
  It also may be prepared in high yield by photochemical reaction of dibromoirontetracarbonyl with bromine in hexane (Yoon, K.B. and J.K. Kochi.
  1990. Inorg. Chem. 29, pp. 869):
  (CO)4FeBr2 + ½ Br2 → FeBr3 + 4CO ;

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