NaBr is a reducing agent, Cl2 is an oxidizing agent.
Reactants:
NaBr – Sodium bromide
Other names: Bromide salt of sodium, Trisodium tribromide, NaBr
Appearance: White powder, hygroscopic
Cl2
Names: Chlorine, Molecular chlorine
Appearance: Greenish-yellow compressed liquefied gas with pungent odour ; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]