Sn → Sn(NO₃)₂ → Sn → SnO → SnCl₂ → Sn(OH)₂

1. Sn + HNO₃ → Sn(NO₃)₂ \\ 2. Sn(NO₃)₂ → Sn + NO₂ + O₂ \\ 3. Sn + O₂ → SnO \\ 4. SnO + HCl → SnCl₂ + H₂O \\ 5. SnCl₂ + H₂O → Sn(OH)₂ + HCl