Na2S + 2 AgI → 2 NaI + Ag2S
Reactants:
- Na2S
- Names: Sodium sulfide , Disodium sulfide , Sodium sulfide (anhydrous) Sodium monosulfide , Sodium sulphide
- Appearance: Colorless, hygroscopic solid ; White-to-yellow hygroscopic crystals with characteristic odour
- AgI
- Names: Silver iodide , Silver(I) iodide , AgI
- Appearance: Yellow, crystalline solid
Products:
- NaI
- Names: Sodium iodide , Sodium iodide (anhydrous) , NaI , Sodium monoiodide
- Appearance: White solid | deliquescent ; Colourless-to-white hygroscopic crystals or white powder. turns brown on exposure to air
- Ag2S – Silver(I) sulfide, Silver sulfide
- Other names: Silver sulfide , Ag2S , Silver(I) sulfide
- Appearance: Grayish-black crystal