Br2 + 5 HClO + H2O → 2 HBrO3 + 5 HCl
This is an oxidation-reduction (redox) reaction:
2 Br0 - 10 e- → 2 BrV (oxidation)
5 ClI + 10 e- → 5 Cl-I (reduction)
Br2 is a reducing agent, HClO is an oxidizing agent.
Reactants:
Products:
- HBrO3 – Bromic acid


- HCl – Chlorane
, Hydrogen chloride 



- Other names: Hydrochloric acid

, M
, Uriatic acid 
- Appearance: Colorless, transparent liquid, fumes in air if concentrated
; Colorless gas
; Colourless compressed liquefied gas with pungent odour
; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] 
- Other names: Hydrochloric acid