K2S + Pb(NO3)2 → PbS + 2 KNO3
Reactants:
- K2S – Potassium sulfide
- Other names: Dipotassium monosulfide , Dipotassium sulfide , Potassium monosulfide
- Appearance: Pure: colourless | impure: yellow-brown ; Hygroscopic white crystals with characteristic odour. turns red or brown on exposure to air
- Pb(NO3)2 – Lead(II) nitrate
- Other names: Lead nitrate , Plumbous nitrate , Lead dinitrate Plumb dulcis , [Pb(NO3)2] , Lead (II) nitrate
- Appearance: White colourless crystals ; White or colourless crystals
Products:
- PbS
- Names: Lead(II) sulfide , Plumbous sulfide , Galena Sulphuret of lead , Lead sulfide
- Appearance: Black
- KNO3 – Potassium nitrate
- Other names: Saltpeter , Saltpetre , Nitrate of potash Nitric acid, potassium salt , Niter , Salt peter , Nitre
- Appearance: White solid ; Colourless-to-white crystalline powder