盐类水解反应方程式归纳
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1、单水解---可逆水解
NH4Cl+H2O⇌
FeCl3+3H2O⇌
AlCl3+3H2O⇌
CuSO4+2H2O⇌
NaHCO3+H2O⇌
Na2CO3+H2O ⇌
NaHCO3+NaOH
NaHCO3+H2O⇌
Na2SO3+H2O⇌
NaHSO3+H2O⇌
NaHS+H2O ⇌
H2S+NaOH
Na2HPO4+H2O⇌
NaH2PO4+H2O⇌
CH3COONa+H2O
⇌CH3COOH+NaOH
C6H5ONa+H2O
⇌C6H5OH+NaOH
2、双水解
CH3COONH4+H2O⇌ CH3COOH+NH3·H2O
NH4F+H2O= HF+NH3·H2O
Al2S3+6H2O=Al(OH)3↓+H2S↑ (隔绝空气,密封保存)
Mg3N2+6H2O=Mg(OH)2↓+NH3↑(隔绝空气,密封保存)
Na3P+3H2O=3NaOH+PH3↑(隔绝空气,密封保存)
Zn3P2+6H2O=Zn(OH)2↓+PH3↑(Zn3P2一种老鼠药,PH3剧毒神经毒剂)
CaC2+2H2O=Ca(OH)3↓+C2H2↑(隔绝空气,密封保存)
C2H5ONa+H2O=C2H5OH+NaOH

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