KOH + SO2 → KHSO3
This is an acid-base reaction (neutralization): KOH is a base, SO2 is an acid.
Reactants:
- KOH – Potassium hydroxide
- SO2 – Sulfur dioxide
- Other names: Sulfurous anhydride , Sulphur dioxide , Sulfurous acid anhydride
- Appearance: Colorless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.]
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