

Reaksi Hidrolisis
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•
•
Practice Problem
•
Hard
Teofilus Limbongan
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5 Slides • 2 Questions
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Reaksi Hidrolisis Garam
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1. Garam yang tidak terhidrolisis.
Garam yang terbentuk dari asam kuat dan basa kuat
NaCl(aq) → Na+(aq) + Cl-(aq)
Na+(aq) + H2O(l) → tdk terjadi reaksi
Cl-(aq) + H2O(l) → tdk terjadi reaksi
3
2. Garam yang mengalami hidrolisis parsial (anion)
Garam yang terbentuk dari asam lemah dan basa kuat
NaCH3COO(aq) → Na+(aq) + CH3COO-(aq)
CH3COO-(aq) + H2O(aq) ⇄ CH3COOH(aq) + OH-(aq)
Na+(aq) + H2O(aq) ↛
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3. Garam yang mengalami hidrolisis sebagian (kation)
Garam yang terbentuk dari asam kuat dan basa lemah
NH4Cl(aq) → NH4+(aq) + Cl-(aq)
NH4+(aq) + H2O(aq) ⇄ NH3(aq) + H3O+(aq)
Cl-(aq) + H2O (aq) ↛
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4. Garam yang mengalami hidrolisis total.
Garam yang terbentuk dari asam lemah dan basa lemah
NH4CH3COO(aq) → NH4+ (aq) + CH3COO-(aq)
NH4+(aq) + H2O(aq) ⇄ NH3(aq) + H3O+(aq)
CH3COO-(aq) + H2O(aq) ⇄ CH3COOH(aq) + OH-(aq)
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Multiple Choice
Reaksi hidrolisis yang terbentuk dari garam Na2S adalah.....
Na+ + H2O → NaOH + H+
H+ + H2O → H2O + OH-
Na2+ + H2O → Na2OH + H+
S2- + 2H2O → H2S + OH-
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Multiple Choice
Reaksi hidrolisis yang terbentuk dari garam (NH4)2SO4 adalah.....
NH4+ + H2O → NH3 + H3O+
NH42+ + H2O → NH4OH + H+
SO42- + H2O → H2SO4 + OH-
SO42- + 2H2O → H2S + OH-
Reaksi Hidrolisis Garam
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