2 KBr + Cl2 → 2 KCl + Br2 – Balanced equation

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This is an oxidation-reduction (redox) reaction:

2 Br^-I - 2 e^- → 2 Br (oxidation)

2 Cl + 2 e^- → 2 Cl^-I (reduction)

KBr is a reducing agent, Cl₂ is an oxidizing agent.

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Reactants:

KBr
- Names: Potassium bromide , KBr , Kaliumbromid
- Appearance: White solid
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.]

Products:

KCl
- Names: Potassium chloride , Sylvite , Muriate of potash
- Appearance: White crystalline solid ; Colourless hygroscopic crystals
Br₂
- Names: Bromine , Molecular bromine
- Appearance: Fuming red-to-brown liquid with pungent odour ; Dark reddish-brown, fuming liquid with suffocating, irritating fumes.