₁ ₂
ZnCl2 - Zn(OH)2 - ZnCl2
/ ₃
Na2ZnO2
1)
ZnCl2 + 2KOH = Zn(OH)2 + 2KCl
Zn + 2Cl + 2K + 2OH = Zn(OH)2 + 2K + 2Cl
Zn + 2OH = Zn(OH)2
2)
Zn(OH)2 + 2NaCl = 2NaOH + ZnCl2
Zn(OH)2 + 2Na + 2Cl = 2Na + 2OH + Zn + 2Cl
Zn(OH)2 = 2OH + Zn
3)
Zn(OH)2 + 2NaOH = Na2ZnO2 + 2H2O